{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50068", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.405Z", "datePublished": "2025-06-18T11:02:13.760Z", "dateUpdated": "2026-05-11T19:12:14.682Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:12:14.682Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: Fix dummy res NULL ptr deref bug\n\nCheck the bo->resource value before accessing the resource\nmem_type.\n\nv2: Fix commit description unwrapped warning\n\n<log snip>\n[ 40.191227][ T184] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI\n[ 40.192995][ T184] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\n[ 40.194411][ T184] CPU: 1 PID: 184 Comm: systemd-udevd Not tainted 5.19.0-rc4-00721-gb297c22b7070 #1\n[ 40.196063][ T184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 04/01/2014\n[ 40.199605][ T184] RIP: 0010:ttm_bo_validate+0x1b3/0x240 [ttm]\n[ 40.200754][ T184] Code: e8 72 c5 ff ff 83 f8 b8 74 d4 85 c0 75 54 49 8b 9e 58 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 44 8b 53 10 31 c0 85 d2 0f 85 58\n[ 40.203685][ T184] RSP: 0018:ffffc900006df0c8 EFLAGS: 00010202\n[ 40.204630][ T184] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1102f4bb71b\n[ 40.205864][ T184] RDX: 0000000000000002 RSI: ffffc900006df208 RDI: 0000000000000010\n[ 40.207102][ T184] RBP: 1ffff920000dbe1a R08: ffffc900006df208 R09: 0000000000000000\n[ 40.208394][ T184] R10: ffff88817a5f0000 R11: 0000000000000001 R12: ffffc900006df110\n[ 40.209692][ T184] R13: ffffc900006df0f0 R14: ffff88817a5db800 R15: ffffc900006df208\n[ 40.210862][ T184] FS: 00007f6b1d16e8c0(0000) GS:ffff88839d700000(0000) knlGS:0000000000000000\n[ 40.212250][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 40.213275][ T184] CR2: 000055a1001d4ff0 CR3: 00000001700f4000 CR4: 00000000000006e0\n[ 40.214469][ T184] Call Trace:\n[ 40.214974][ T184] <TASK>\n[ 40.215438][ T184] ? ttm_bo_bounce_temp_buffer+0x140/0x140 [ttm]\n[ 40.216572][ T184] ? mutex_spin_on_owner+0x240/0x240\n[ 40.217456][ T184] ? drm_vma_offset_add+0xaa/0x100 [drm]\n[ 40.218457][ T184] ttm_bo_init_reserved+0x3d6/0x540 [ttm]\n[ 40.219410][ T184] ? shmem_get_inode+0x744/0x980\n[ 40.220231][ T184] ttm_bo_init_validate+0xb1/0x200 [ttm]\n[ 40.221172][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper]\n[ 40.222530][ T184] ? ttm_bo_init_reserved+0x540/0x540 [ttm]\n[ 40.223643][ T184] ? __do_sys_finit_module+0x11a/0x1c0\n[ 40.224654][ T184] ? __shmem_file_setup+0x102/0x280\n[ 40.234764][ T184] drm_gem_vram_create+0x305/0x480 [drm_vram_helper]\n[ 40.235766][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper]\n[ 40.236846][ T184] ? __kasan_slab_free+0x108/0x180\n[ 40.237650][ T184] drm_gem_vram_fill_create_dumb+0x134/0x340 [drm_vram_helper]\n[ 40.238864][ T184] ? local_pci_probe+0xdf/0x180\n[ 40.239674][ T184] ? drmm_vram_helper_init+0x400/0x400 [drm_vram_helper]\n[ 40.240826][ T184] drm_client_framebuffer_create+0x19c/0x400 [drm]\n[ 40.241955][ T184] ? drm_client_buffer_delete+0x200/0x200 [drm]\n[ 40.243001][ T184] ? drm_client_pick_crtcs+0x554/0xb80 [drm]\n[ 40.244030][ T184] drm_fb_helper_generic_probe+0x23f/0x940 [drm_kms_helper]\n[ 40.245226][ T184] ? __cond_resched+0x1c/0xc0\n[ 40.245987][ T184] ? drm_fb_helper_memory_range_to_clip+0x180/0x180 [drm_kms_helper]\n[ 40.247316][ T184] ? mutex_unlock+0x80/0x100\n[ 40.248005][ T184] ? __mutex_unlock_slowpath+0x2c0/0x2c0\n[ 40.249083][ T184] drm_fb_helper_single_fb_probe+0x907/0xf00 [drm_kms_helper]\n[ 40.250314][ T184] ? drm_fb_helper_check_var+0x1180/0x1180 [drm_kms_helper]\n[ 40.251540][ T184] ? __cond_resched+0x1c/0xc0\n[ 40.252321][ T184] ? mutex_lock+0x9f/0x100\n[ 40.253062][ T184] __drm_fb_helper_initial_config_and_unlock+0xb9/0x2c0 [drm_kms_helper]\n[ 40.254394][ T184] drm_fbdev_client_hotplug+0x56f/0x840 [drm_kms_helper]\n[ 40.255477][ T184] drm_fbdev_generic_setup+0x165/0x3c0 [drm_kms_helper]\n[ 40.256607][ T184] bochs_pci_probe+0x6b7/0x900 [bochs]\n[ \n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/ttm/ttm_bo.c"], "versions": [{"version": "d3116756a710e3cd51293a9d58b525957ab7e784", "lessThan": "76672cd326c146ded2c2712ff257b8908dcf23d8", "status": "affected", "versionType": "git"}, {"version": "d3116756a710e3cd51293a9d58b525957ab7e784", "lessThan": "9bd970d4097287778a4449452e70b35d0bfaa3aa", "status": "affected", "versionType": "git"}, {"version": "d3116756a710e3cd51293a9d58b525957ab7e784", "lessThan": "cf4b7387c0a842d64bdd7c353e6d3298174a7740", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/ttm/ttm_bo.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.63", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.4", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "5.15.63"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "5.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/76672cd326c146ded2c2712ff257b8908dcf23d8"}, {"url": "https://git.kernel.org/stable/c/9bd970d4097287778a4449452e70b35d0bfaa3aa"}, {"url": "https://git.kernel.org/stable/c/cf4b7387c0a842d64bdd7c353e6d3298174a7740"}], "title": "drm/ttm: Fix dummy res NULL ptr deref bug", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "185EE6AF-BD8F-4E95-80BC-9322B04CC91B", "versionEndExcluding": "5.15.63", "versionStartIncluding": "5.14", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0E669300-DA42-4ACD-86D8-68BE5F29FB88", "versionEndExcluding": "5.19.4", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: Fix dummy res NULL ptr deref bug\n\nCheck the bo->resource value before accessing the resource\nmem_type.\n\nv2: Fix commit description unwrapped warning\n\n<log snip>\n[ 40.191227][ T184] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI\n[ 40.192995][ T184] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\n[ 40.194411][ T184] CPU: 1 PID: 184 Comm: systemd-udevd Not tainted 5.19.0-rc4-00721-gb297c22b7070 #1\n[ 40.196063][ T184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 04/01/2014\n[ 40.199605][ T184] RIP: 0010:ttm_bo_validate+0x1b3/0x240 [ttm]\n[ 40.200754][ T184] Code: e8 72 c5 ff ff 83 f8 b8 74 d4 85 c0 75 54 49 8b 9e 58 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 44 8b 53 10 31 c0 85 d2 0f 85 58\n[ 40.203685][ T184] RSP: 0018:ffffc900006df0c8 EFLAGS: 00010202\n[ 40.204630][ T184] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1102f4bb71b\n[ 40.205864][ T184] RDX: 0000000000000002 RSI: ffffc900006df208 RDI: 0000000000000010\n[ 40.207102][ T184] RBP: 1ffff920000dbe1a R08: ffffc900006df208 R09: 0000000000000000\n[ 40.208394][ T184] R10: ffff88817a5f0000 R11: 0000000000000001 R12: ffffc900006df110\n[ 40.209692][ T184] R13: ffffc900006df0f0 R14: ffff88817a5db800 R15: ffffc900006df208\n[ 40.210862][ T184] FS: 00007f6b1d16e8c0(0000) GS:ffff88839d700000(0000) knlGS:0000000000000000\n[ 40.212250][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 40.213275][ T184] CR2: 000055a1001d4ff0 CR3: 00000001700f4000 CR4: 00000000000006e0\n[ 40.214469][ T184] Call Trace:\n[ 40.214974][ T184] <TASK>\n[ 40.215438][ T184] ? ttm_bo_bounce_temp_buffer+0x140/0x140 [ttm]\n[ 40.216572][ T184] ? mutex_spin_on_owner+0x240/0x240\n[ 40.217456][ T184] ? drm_vma_offset_add+0xaa/0x100 [drm]\n[ 40.218457][ T184] ttm_bo_init_reserved+0x3d6/0x540 [ttm]\n[ 40.219410][ T184] ? shmem_get_inode+0x744/0x980\n[ 40.220231][ T184] ttm_bo_init_validate+0xb1/0x200 [ttm]\n[ 40.221172][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper]\n[ 40.222530][ T184] ? ttm_bo_init_reserved+0x540/0x540 [ttm]\n[ 40.223643][ T184] ? __do_sys_finit_module+0x11a/0x1c0\n[ 40.224654][ T184] ? __shmem_file_setup+0x102/0x280\n[ 40.234764][ T184] drm_gem_vram_create+0x305/0x480 [drm_vram_helper]\n[ 40.235766][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper]\n[ 40.236846][ T184] ? __kasan_slab_free+0x108/0x180\n[ 40.237650][ T184] drm_gem_vram_fill_create_dumb+0x134/0x340 [drm_vram_helper]\n[ 40.238864][ T184] ? local_pci_probe+0xdf/0x180\n[ 40.239674][ T184] ? drmm_vram_helper_init+0x400/0x400 [drm_vram_helper]\n[ 40.240826][ T184] drm_client_framebuffer_create+0x19c/0x400 [drm]\n[ 40.241955][ T184] ? drm_client_buffer_delete+0x200/0x200 [drm]\n[ 40.243001][ T184] ? drm_client_pick_crtcs+0x554/0xb80 [drm]\n[ 40.244030][ T184] drm_fb_helper_generic_probe+0x23f/0x940 [drm_kms_helper]\n[ 40.245226][ T184] ? __cond_resched+0x1c/0xc0\n[ 40.245987][ T184] ? drm_fb_helper_memory_range_to_clip+0x180/0x180 [drm_kms_helper]\n[ 40.247316][ T184] ? mutex_unlock+0x80/0x100\n[ 40.248005][ T184] ? __mutex_unlock_slowpath+0x2c0/0x2c0\n[ 40.249083][ T184] drm_fb_helper_single_fb_probe+0x907/0xf00 [drm_kms_helper]\n[ 40.250314][ T184] ? drm_fb_helper_check_var+0x1180/0x1180 [drm_kms_helper]\n[ 40.251540][ T184] ? __cond_resched+0x1c/0xc0\n[ 40.252321][ T184] ? mutex_lock+0x9f/0x100\n[ 40.253062][ T184] __drm_fb_helper_initial_config_and_unlock+0xb9/0x2c0 [drm_kms_helper]\n[ 40.254394][ T184] drm_fbdev_client_hotplug+0x56f/0x840 [drm_kms_helper]\n[ 40.255477][ T184] drm_fbdev_generic_setup+0x165/0x3c0 [drm_kms_helper]\n[ 40.256607][ T184] bochs_pci_probe+0x6b7/0x900 [bochs]\n[ \n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/ttm: Se corrige el error de deref de resoluci\u00f3n ficticia NULL ptr. Verifique el valor de bo-&gt;resource antes de acceder al recurso mem_type. v2: Se corrige la advertencia de descripci\u00f3n de confirmaci\u00f3n sin envolver [ 40.191227][ T184] Fallo de protecci\u00f3n general, probablemente para la direcci\u00f3n no can\u00f3nica 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI [ 40.192995][ T184] KASAN: null-ptr-deref en el rango [0x0000000000000010-0x0000000000000017] [ 40.194411][ T184] CPU: 1 PID: 184 Comm: systemd-udevd No contaminado 5.19.0-rc4-00721-gb297c22b7070 #1 [ 40.196063][ T184] Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 01/04/2014 [ 40.199605][ T184] RIP: 0010:ttm_bo_validate+0x1b3/0x240 [ttm] [ 40.200754][ T184] C\u00f3digo: e8 72 c5 ff ff 83 f8 b8 74 d4 85 c0 75 54 49 8b 9e 58 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 &lt;0f&gt; b6 04 02 84 c0 74 04 3c 03 7e 44 8b 53 10 31 c0 85 d2 0f 85 58 [ 40.203685][ T184] RSP: 0018:ffffc900006df0c8 EFLAGS: 00010202 [ 40.204630][ T184] RAX: dffffc0000000000 RBX: 00000000000000000 RCX: 1ffff1102f4bb71b [ 40.205864][ T184] RDX: 00000000000000002 RSI: ffffc900006df208 I+D+i: 0000000000000010 [ 40.207102][ T184] RBP: 1ffff920000dbe1a R08: ffffc900006df208 R09: 0000000000000000 [ 40.208394][ T184] R10: ffff88817a5f0000 R11: 0000000000000001 R12: ffffc900006df110 [ 40.209692][ T184] R13: ffffc900006df0f0 R14: ffff88817a5db800 R15: ffffc900006df208 [ 40.210862][ T184] FS: 00007f6b1d16e8c0(0000) GS:ffff88839d700000(0000) knlGS:0000000000000000 [ 40.212250][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.213275][ T184] CR2: 000055a1001d4ff0 CR3: 00000001700f4000 CR4: 00000000000006e0 [ 40.214469][ T184] Rastreo de llamadas: [ 40.214974][ T184] [ 40.215438][ T184] ? ttm_bo_bounce_temp_buffer+0x140/0x140 [ttm] [ 40.216572][ T184] ? mutex_spin_on_owner+0x240/0x240 [ 40.217456][ T184] ? drm_vma_offset_add+0xaa/0x100 [drm] [ 40.218457][ T184] ttm_bo_init_reserved+0x3d6/0x540 [ttm] [ 40.219410][ T184] ? shmem_get_inode+0x744/0x980 [ 40.220231][ T184] ttm_bo_init_validate+0xb1/0x200 [ttm] [ 40.221172][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper] [ 40.222530][ T184] ? ttm_bo_init_reserved+0x540/0x540 [ttm] [ 40.223643][ T184] ? __do_sys_finit_module+0x11a/0x1c0 [ 40.224654][ T184] ? __shmem_file_setup+0x102/0x280 [ 40.234764][ T184] drm_gem_vram_create+0x305/0x480 [drm_vram_helper] [ 40.235766][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper] [ 40.236846][ T184] ? __kasan_slab_free+0x108/0x180 [ 40.237650][ T184] drm_gem_vram_fill_create_dumb+0x134/0x340 [drm_vram_helper] [ 40.238864][ T184] ? local_pci_probe+0xdf/0x180 [ 40.239674][ T184] ? drmm_vram_helper_init+0x400/0x400 [drm_vram_helper] [ 40.240826][ T184] drm_client_framebuffer_create+0x19c/0x400 [drm] [ 40.241955][ T184] ? drm_client_buffer_delete+0x200/0x200 [drm] [ 40.243001][ T184] ? drm_client_pick_crtcs+0x554/0xb80 [drm] [ 40.244030][ T184] drm_fb_helper_generic_probe+0x23f/0x940 [drm_kms_helper] [ 40.245226][ T184] ? __cond_resched+0x1c/0xc0 [ 40.245987][ T184] ? drm_fb_helper_memory_range_to_clip+0x180/0x180 [drm_kms_helper] [ 40.247316][ T184] ? mutex_unlock+0x80/0x100 [ 40.248005][ T184] ? __mutex_unlock_slowpath+0x2c0/0x2c0 [ 40.249083][ T184] drm_fb_helper_single_fb_probe+0x907/0xf00 [drm_kms_helper] [ 40.250314][ T184] ? drm_fb_helper_check_var+0x1180/0x1180 [drm_kms_helper] [ 40.251540][ T184] ? __cond_resched+0x1c/0xc0 [ 40.252321][ T184] ? mutex_lock+0x9f/0x100 [ 40.253062][ T184] __drm_fb_helper_initial_config_and_unlock+0xb9/0x2c0 [drm_kms_helper] [ 40.254394][ T184] drm_fbdev_client_hotplug+0x56f/0x840 [drm_kms_helper] [ 40.255477][ T184] drm_fbdev_generic_setup+0x165/0x3c0 [drm_kms_helper] [ 40.256607][ T184] bochs_pci_probe+0x6b7/0x900 [bochs] [ ---truncado---"}], "id": "CVE-2022-50068", "lastModified": "2025-11-17T18:20:15.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-06-18T11:15:35.620", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/76672cd326c146ded2c2712ff257b8908dcf23d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9bd970d4097287778a4449452e70b35d0bfaa3aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cf4b7387c0a842d64bdd7c353e6d3298174a7740"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/ttm: Fix dummy res NULL ptr deref bug", "id": "2373573", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373573"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/ttm: Fix dummy res NULL ptr deref bug\nCheck the bo->resource value before accessing the resource\nmem_type.\nv2: Fix commit description unwrapped warning\n<log snip>\n[ 40.191227][ T184] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI\n[ 40.192995][ T184] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\n[ 40.194411][ T184] CPU: 1 PID: 184 Comm: systemd-udevd Not tainted 5.19.0-rc4-00721-gb297c22b7070 #1\n[ 40.196063][ T184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 04/01/2014\n[ 40.199605][ T184] RIP: 0010:ttm_bo_validate+0x1b3/0x240 [ttm]\n[ 40.200754][ T184] Code: e8 72 c5 ff ff 83 f8 b8 74 d4 85 c0 75 54 49 8b 9e 58 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 44 8b 53 10 31 c0 85 d2 0f 85 58\n[ 40.203685][ T184] RSP: 0018:ffffc900006df0c8 EFLAGS: 00010202\n[ 40.204630][ T184] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1102f4bb71b\n[ 40.205864][ T184] RDX: 0000000000000002 RSI: ffffc900006df208 RDI: 0000000000000010\n[ 40.207102][ T184] RBP: 1ffff920000dbe1a R08: ffffc900006df208 R09: 0000000000000000\n[ 40.208394][ T184] R10: ffff88817a5f0000 R11: 0000000000000001 R12: ffffc900006df110\n[ 40.209692][ T184] R13: ffffc900006df0f0 R14: ffff88817a5db800 R15: ffffc900006df208\n[ 40.210862][ T184] FS: 00007f6b1d16e8c0(0000) GS:ffff88839d700000(0000) knlGS:0000000000000000\n[ 40.212250][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 40.213275][ T184] CR2: 000055a1001d4ff0 CR3: 00000001700f4000 CR4: 00000000000006e0\n[ 40.214469][ T184] Call Trace:\n[ 40.214974][ T184] <TASK>\n[ 40.215438][ T184] ? ttm_bo_bounce_temp_buffer+0x140/0x140 [ttm]\n[ 40.216572][ T184] ? mutex_spin_on_owner+0x240/0x240\n[ 40.217456][ T184] ? drm_vma_offset_add+0xaa/0x100 [drm]\n[ 40.218457][ T184] ttm_bo_init_reserved+0x3d6/0x540 [ttm]\n[ 40.219410][ T184] ? shmem_get_inode+0x744/0x980\n[ 40.220231][ T184] ttm_bo_init_validate+0xb1/0x200 [ttm]\n[ 40.221172][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper]\n[ 40.222530][ T184] ? ttm_bo_init_reserved+0x540/0x540 [ttm]\n[ 40.223643][ T184] ? __do_sys_finit_module+0x11a/0x1c0\n[ 40.224654][ T184] ? __shmem_file_setup+0x102/0x280\n[ 40.234764][ T184] drm_gem_vram_create+0x305/0x480 [drm_vram_helper]\n[ 40.235766][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper]\n[ 40.236846][ T184] ? __kasan_slab_free+0x108/0x180\n[ 40.237650][ T184] drm_gem_vram_fill_create_dumb+0x134/0x340 [drm_vram_helper]\n[ 40.238864][ T184] ? local_pci_probe+0xdf/0x180\n[ 40.239674][ T184] ? drmm_vram_helper_init+0x400/0x400 [drm_vram_helper]\n[ 40.240826][ T184] drm_client_framebuffer_create+0x19c/0x400 [drm]\n[ 40.241955][ T184] ? drm_client_buffer_delete+0x200/0x200 [drm]\n[ 40.243001][ T184] ? drm_client_pick_crtcs+0x554/0xb80 [drm]\n[ 40.244030][ T184] drm_fb_helper_generic_probe+0x23f/0x940 [drm_kms_helper]\n[ 40.245226][ T184] ? __cond_resched+0x1c/0xc0\n[ 40.245987][ T184] ? drm_fb_helper_memory_range_to_clip+0x180/0x180 [drm_kms_helper]\n[ 40.247316][ T184] ? mutex_unlock+0x80/0x100\n[ 40.248005][ T184] ? __mutex_unlock_slowpath+0x2c0/0x2c0\n[ 40.249083][ T184] drm_fb_helper_single_fb_probe+0x907/0xf00 [drm_kms_helper]\n[ 40.250314][ T184] ? drm_fb_helper_check_var+0x1180/0x1180 [drm_kms_helper]\n[ 40.251540][ T184] ? __cond_resched+0x1c/0xc0\n[ 40.252321][ T184] ? mutex_lock+0x9f/0x100\n[ 40.253062][ T184] __drm_fb_helper_initial_config_and_unlock+0xb9/0x2c0 [drm_kms_helper]\n[ 40.254394][ T184] drm_fbdev_client_hotplug+0x56f/0x840 [drm_kms_helper]\n[ 40.255477][ T184] drm_fbdev_generic_setup+0x165/0x3c0 [drm_kms_helper]\n[ 40.256607][ T184] bochs_pci_probe+0x6b7/0x900 [bochs]\n[ \n---truncated---"], "name": "CVE-2022-50068", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50068\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50068\nhttps://lore.kernel.org/linux-cve-announce/2025061852-CVE-2022-50068-25c3@gregkh/T"], "threat_severity": "Moderate"}

{}