{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-48876", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-16T11:38:08.922Z", "datePublished": "2024-08-21T06:10:07.310Z", "dateUpdated": "2026-05-11T18:48:52.310Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:48:52.310Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix initialization of rx->link and rx->link_sta\n\nThere are some codepaths that do not initialize rx->link_sta properly. This\ncauses a crash in places which assume that rx->link_sta is valid if rx->sta\nis valid.\nOne known instance is triggered by __ieee80211_rx_h_amsdu being called from\nfast-rx. It results in a crash like this one:\n\n BUG: kernel NULL pointer dereference, address: 00000000000000a8\n #PF: supervisor write access in kernel mode\n #PF: error_code(0x0002) - not-present page PGD 0 P4D 0\n Oops: 0002 [#1] PREEMPT SMP PTI\n CPU: 1 PID: 506 Comm: mt76-usb-rx phy Tainted: G E 6.1.0-debian64x+1.7 #3\n Hardware name: ZOTAC ZBOX-ID92/ZBOX-IQ01/ZBOX-ID92/ZBOX-IQ01, BIOS B220P007 05/21/2014\n RIP: 0010:ieee80211_deliver_skb+0x62/0x1f0 [mac80211]\n Code: 00 48 89 04 24 e8 9e a7 c3 df 89 c0 48 03 1c c5 a0 ea 39 a1 4c 01 6b 08 48 ff 03 48\n 83 7d 28 00 74 11 48 8b 45 30 48 63 55 44 <48> 83 84 d0 a8 00 00 00 01 41 8b 86 c0\n 11 00 00 8d 50 fd 83 fa 01\n RSP: 0018:ffff999040803b10 EFLAGS: 00010286\n RAX: 0000000000000000 RBX: ffffb9903f496480 RCX: 0000000000000000\n RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\n RBP: ffff999040803ce0 R08: 0000000000000000 R09: 0000000000000000\n R10: 0000000000000000 R11: 0000000000000000 R12: ffff8d21828ac900\n R13: 000000000000004a R14: ffff8d2198ed89c0 R15: ffff8d2198ed8000\n FS: 0000000000000000(0000) GS:ffff8d24afe80000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00000000000000a8 CR3: 0000000429810002 CR4: 00000000001706e0\n Call Trace:\n <TASK>\n __ieee80211_rx_h_amsdu+0x1b5/0x240 [mac80211]\n ? ieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]\n ? __local_bh_enable_ip+0x3b/0xa0\n ieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]\n ? prepare_transfer+0x109/0x1a0 [xhci_hcd]\n ieee80211_rx_list+0xa80/0xda0 [mac80211]\n mt76_rx_complete+0x207/0x2e0 [mt76]\n mt76_rx_poll_complete+0x357/0x5a0 [mt76]\n mt76u_rx_worker+0x4f5/0x600 [mt76_usb]\n ? mt76_get_min_avg_rssi+0x140/0x140 [mt76]\n __mt76_worker_fn+0x50/0x80 [mt76]\n kthread+0xed/0x120\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30\n\nSince the initialization of rx->link and rx->link_sta is rather convoluted\nand duplicated in many places, clean it up by using a helper function to\nset it.\n\n[remove unnecessary rx->sta->sta.mlo check]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/rx.c"], "versions": [{"version": "ccdde7c74ffd7e8bdd3cf685bbfa41231c8e3131", "lessThan": "a57c981d9f24d2bd89eaa76dc477e8ca252e22e8", "status": "affected", "versionType": "git"}, {"version": "ccdde7c74ffd7e8bdd3cf685bbfa41231c8e3131", "lessThan": "e66b7920aa5ac5b1a1997a454004ba9246a3c005", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/rx.c"], "versions": [{"version": "6.1", "status": "affected"}, {"version": "0", "lessThan": "6.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.8", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "6.1", "versionEndExcluding": "6.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a57c981d9f24d2bd89eaa76dc477e8ca252e22e8"}, {"url": "https://git.kernel.org/stable/c/e66b7920aa5ac5b1a1997a454004ba9246a3c005"}], "title": "wifi: mac80211: fix initialization of rx->link and rx->link_sta", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-48876", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:05:13.063011Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T17:32:53.407Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-48876", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:05:13.063011Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:11.887Z"}}], "cna": {"title": "wifi: mac80211: fix initialization of rx->link and rx->link_sta", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "ccdde7c74ffd7e8bdd3cf685bbfa41231c8e3131", "lessThan": "a57c981d9f24d2bd89eaa76dc477e8ca252e22e8", "versionType": "git"}, {"status": "affected", "version": "ccdde7c74ffd7e8bdd3cf685bbfa41231c8e3131", "lessThan": "e66b7920aa5ac5b1a1997a454004ba9246a3c005", "versionType": "git"}], "programFiles": ["net/mac80211/rx.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.1"}, {"status": "unaffected", "version": "0", "lessThan": "6.1", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.8", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/mac80211/rx.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/a57c981d9f24d2bd89eaa76dc477e8ca252e22e8"}, {"url": "https://git.kernel.org/stable/c/e66b7920aa5ac5b1a1997a454004ba9246a3c005"}], "x_generator": {"engine": "bippy-7c5fe7eed585"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix initialization of rx->link and rx->link_sta\n\nThere are some codepaths that do not initialize rx->link_sta properly. This\ncauses a crash in places which assume that rx->link_sta is valid if rx->sta\nis valid.\nOne known instance is triggered by __ieee80211_rx_h_amsdu being called from\nfast-rx. It results in a crash like this one:\n\n BUG: kernel NULL pointer dereference, address: 00000000000000a8\n #PF: supervisor write access in kernel mode\n #PF: error_code(0x0002) - not-present page PGD 0 P4D 0\n Oops: 0002 [#1] PREEMPT SMP PTI\n CPU: 1 PID: 506 Comm: mt76-usb-rx phy Tainted: G E 6.1.0-debian64x+1.7 #3\n Hardware name: ZOTAC ZBOX-ID92/ZBOX-IQ01/ZBOX-ID92/ZBOX-IQ01, BIOS B220P007 05/21/2014\n RIP: 0010:ieee80211_deliver_skb+0x62/0x1f0 [mac80211]\n Code: 00 48 89 04 24 e8 9e a7 c3 df 89 c0 48 03 1c c5 a0 ea 39 a1 4c 01 6b 08 48 ff 03 48\n 83 7d 28 00 74 11 48 8b 45 30 48 63 55 44 <48> 83 84 d0 a8 00 00 00 01 41 8b 86 c0\n 11 00 00 8d 50 fd 83 fa 01\n RSP: 0018:ffff999040803b10 EFLAGS: 00010286\n RAX: 0000000000000000 RBX: ffffb9903f496480 RCX: 0000000000000000\n RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\n RBP: ffff999040803ce0 R08: 0000000000000000 R09: 0000000000000000\n R10: 0000000000000000 R11: 0000000000000000 R12: ffff8d21828ac900\n R13: 000000000000004a R14: ffff8d2198ed89c0 R15: ffff8d2198ed8000\n FS: 0000000000000000(0000) GS:ffff8d24afe80000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00000000000000a8 CR3: 0000000429810002 CR4: 00000000001706e0\n Call Trace:\n <TASK>\n __ieee80211_rx_h_amsdu+0x1b5/0x240 [mac80211]\n ? ieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]\n ? __local_bh_enable_ip+0x3b/0xa0\n ieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]\n ? prepare_transfer+0x109/0x1a0 [xhci_hcd]\n ieee80211_rx_list+0xa80/0xda0 [mac80211]\n mt76_rx_complete+0x207/0x2e0 [mt76]\n mt76_rx_poll_complete+0x357/0x5a0 [mt76]\n mt76u_rx_worker+0x4f5/0x600 [mt76_usb]\n ? mt76_get_min_avg_rssi+0x140/0x140 [mt76]\n __mt76_worker_fn+0x50/0x80 [mt76]\n kthread+0xed/0x120\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30\n\nSince the initialization of rx->link and rx->link_sta is rather convoluted\nand duplicated in many places, clean it up by using a helper function to\nset it.\n\n[remove unnecessary rx->sta->sta.mlo check]"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-04-09T14:50:54.714Z"}}}, "cveMetadata": {"cveId": "CVE-2022-48876", "state": "PUBLISHED", "dateUpdated": "2025-04-09T14:50:54.714Z", "dateReserved": "2024-07-16T11:38:08.922Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-08-21T06:10:07.310Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0EF71645-1ABD-4584-8FEC-AF3D155E1F5B", "versionEndExcluding": "6.1.8", "versionStartIncluding": "6.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix initialization of rx->link and rx->link_sta\n\nThere are some codepaths that do not initialize rx->link_sta properly. This\ncauses a crash in places which assume that rx->link_sta is valid if rx->sta\nis valid.\nOne known instance is triggered by __ieee80211_rx_h_amsdu being called from\nfast-rx. It results in a crash like this one:\n\n BUG: kernel NULL pointer dereference, address: 00000000000000a8\n #PF: supervisor write access in kernel mode\n #PF: error_code(0x0002) - not-present page PGD 0 P4D 0\n Oops: 0002 [#1] PREEMPT SMP PTI\n CPU: 1 PID: 506 Comm: mt76-usb-rx phy Tainted: G E 6.1.0-debian64x+1.7 #3\n Hardware name: ZOTAC ZBOX-ID92/ZBOX-IQ01/ZBOX-ID92/ZBOX-IQ01, BIOS B220P007 05/21/2014\n RIP: 0010:ieee80211_deliver_skb+0x62/0x1f0 [mac80211]\n Code: 00 48 89 04 24 e8 9e a7 c3 df 89 c0 48 03 1c c5 a0 ea 39 a1 4c 01 6b 08 48 ff 03 48\n 83 7d 28 00 74 11 48 8b 45 30 48 63 55 44 <48> 83 84 d0 a8 00 00 00 01 41 8b 86 c0\n 11 00 00 8d 50 fd 83 fa 01\n RSP: 0018:ffff999040803b10 EFLAGS: 00010286\n RAX: 0000000000000000 RBX: ffffb9903f496480 RCX: 0000000000000000\n RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\n RBP: ffff999040803ce0 R08: 0000000000000000 R09: 0000000000000000\n R10: 0000000000000000 R11: 0000000000000000 R12: ffff8d21828ac900\n R13: 000000000000004a R14: ffff8d2198ed89c0 R15: ffff8d2198ed8000\n FS: 0000000000000000(0000) GS:ffff8d24afe80000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00000000000000a8 CR3: 0000000429810002 CR4: 00000000001706e0\n Call Trace:\n <TASK>\n __ieee80211_rx_h_amsdu+0x1b5/0x240 [mac80211]\n ? ieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]\n ? __local_bh_enable_ip+0x3b/0xa0\n ieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]\n ? prepare_transfer+0x109/0x1a0 [xhci_hcd]\n ieee80211_rx_list+0xa80/0xda0 [mac80211]\n mt76_rx_complete+0x207/0x2e0 [mt76]\n mt76_rx_poll_complete+0x357/0x5a0 [mt76]\n mt76u_rx_worker+0x4f5/0x600 [mt76_usb]\n ? mt76_get_min_avg_rssi+0x140/0x140 [mt76]\n __mt76_worker_fn+0x50/0x80 [mt76]\n kthread+0xed/0x120\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30\n\nSince the initialization of rx->link and rx->link_sta is rather convoluted\nand duplicated in many places, clean it up by using a helper function to\nset it.\n\n[remove unnecessary rx->sta->sta.mlo check]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mac80211: corrige la inicializaci\u00f3n de rx-&gt;link y rx-&gt;link_sta Hay algunas rutas de c\u00f3digo que no inicializan rx-&gt;link_sta correctamente. Esto provoca un bloqueo en lugares que asumen que rx-&gt;link_sta es v\u00e1lido si rx-&gt;sta es v\u00e1lido. Una instancia conocida se activa cuando se llama a __ieee80211_rx_h_amsdu desde fast-rx. Resulta en un bloqueo como este: ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000a8 #PF: acceso de escritura del supervisor en modo kernel #PF: c\u00f3digo_error(0x0002) - p\u00e1gina no presente PGD 0 P4D 0 Ups: 0002 [#1 ] PREEMPT SMP PTI CPU: 1 PID: 506 Comm: mt76-usb-rx phy Contaminado: GE 6.1.0-debian64x+1.7 #3 Nombre del hardware: ZOTAC ZBOX-ID92/ZBOX-IQ01/ZBOX-ID92/ZBOX-IQ01, BIOS B220P007 21/05/2014 RIP: 0010:ieee80211_deliver_skb+0x62/0x1f0 [mac80211] C\u00f3digo: 00 48 89 04 24 e8 9e a7 c3 df 89 c0 48 03 1c c5 a0 ea 39 a1 4c 01 08 48 y siguientes 03 48 83 7d 28 00 74 11 48 8b 45 30 48 63 55 44 &lt;48&gt; 83 84 d0 a8 00 00 00 01 41 8b 86 c0 11 00 00 8d 50 fd 83 fa 01 RSP:ffff999040803b10 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffb9903f496480 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000000 RBP: ffff999040803ce0 R08: 00000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8d21828ac900 R13: 000000000000004a R14: 98ed89c0 R15: ffff8d2198ed8000 FS: 0000000000000000(0000) GS:ffff8d24afe80000( 0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000a8 CR3: 0000000429810002 CR4: 00000000001 706e0 Seguimiento de llamadas: __ieee80211_rx_h_amsdu+0x1b5/0x240 [mac80211] ? ieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]? __local_bh_enable_ip+0x3b/0xa0 ieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]? prepare_transfer+0x109/0x1a0 [xhci_hcd] ieee80211_rx_list+0xa80/0xda0 [mac80211] mt76_rx_complete+0x207/0x2e0 [mt76] mt76_rx_poll_complete+0x357/0x5a0 [mt76u_rx_worker] +0x4f5/0x600 [mt76_usb] ? mt76_get_min_avg_rssi+0x140/0x140 [mt76] __mt76_worker_fn+0x50/0x80 [mt76] kthread+0xed/0x120 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 Dado que la inicializaci\u00f3n de rx-&gt;link y rx-&gt;link_sta es bastante complicada y duplicada en muchos lugares, l\u00edmpiela usando una funci\u00f3n auxiliar para configurarla. [eliminar comprobaci\u00f3n innecesaria de rx-&gt;sta-&gt;sta.mlo]"}], "id": "CVE-2022-48876", "lastModified": "2024-08-29T02:41:34.627", "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": "2024-08-21T07:15:04.500", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a57c981d9f24d2bd89eaa76dc477e8ca252e22e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e66b7920aa5ac5b1a1997a454004ba9246a3c005"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: mac80211: fix initialization of rx-&gt;link and rx-&gt;link_sta", "id": "2306397", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2306397"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mac80211: fix initialization of rx->link and rx->link_sta\nThere are some codepaths that do not initialize rx->link_sta properly. This\ncauses a crash in places which assume that rx->link_sta is valid if rx->sta\nis valid.\nOne known instance is triggered by __ieee80211_rx_h_amsdu being called from\nfast-rx. It results in a crash like this one:\nBUG: kernel NULL pointer dereference, address: 00000000000000a8\n#PF: supervisor write access in kernel mode\n#PF: error_code(0x0002) - not-present page PGD 0 P4D 0\nOops: 0002 [#1] PREEMPT SMP PTI\nCPU: 1 PID: 506 Comm: mt76-usb-rx phy Tainted: G E 6.1.0-debian64x+1.7 #3\nHardware name: ZOTAC ZBOX-ID92/ZBOX-IQ01/ZBOX-ID92/ZBOX-IQ01, BIOS B220P007 05/21/2014\nRIP: 0010:ieee80211_deliver_skb+0x62/0x1f0 [mac80211]\nCode: 00 48 89 04 24 e8 9e a7 c3 df 89 c0 48 03 1c c5 a0 ea 39 a1 4c 01 6b 08 48 ff 03 48\n83 7d 28 00 74 11 48 8b 45 30 48 63 55 44 <48> 83 84 d0 a8 00 00 00 01 41 8b 86 c0\n11 00 00 8d 50 fd 83 fa 01\nRSP: 0018:ffff999040803b10 EFLAGS: 00010286\nRAX: 0000000000000000 RBX: ffffb9903f496480 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffff999040803ce0 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000000 R12: ffff8d21828ac900\nR13: 000000000000004a R14: ffff8d2198ed89c0 R15: ffff8d2198ed8000\nFS: 0000000000000000(0000) GS:ffff8d24afe80000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000000000a8 CR3: 0000000429810002 CR4: 00000000001706e0\nCall Trace:\n<TASK>\n__ieee80211_rx_h_amsdu+0x1b5/0x240 [mac80211]\n? ieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]\n? __local_bh_enable_ip+0x3b/0xa0\nieee80211_prepare_and_rx_handle+0xcdd/0x1320 [mac80211]\n? prepare_transfer+0x109/0x1a0 [xhci_hcd]\nieee80211_rx_list+0xa80/0xda0 [mac80211]\nmt76_rx_complete+0x207/0x2e0 [mt76]\nmt76_rx_poll_complete+0x357/0x5a0 [mt76]\nmt76u_rx_worker+0x4f5/0x600 [mt76_usb]\n? mt76_get_min_avg_rssi+0x140/0x140 [mt76]\n__mt76_worker_fn+0x50/0x80 [mt76]\nkthread+0xed/0x120\n? kthread_complete_and_exit+0x20/0x20\nret_from_fork+0x22/0x30\nSince the initialization of rx->link and rx->link_sta is rather convoluted\nand duplicated in many places, clean it up by using a helper function to\nset it.\n[remove unnecessary rx->sta->sta.mlo check]"], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2022-48876", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "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": "2024-08-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48876\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48876\nhttps://lore.kernel.org/linux-cve-announce/2024082106-CVE-2022-48876-83f8@gregkh/T"], "statement": "Following issue marked as moderate with \"not affected\" for Red Hat Enterprise Linux, as it is not vulnerable to this CVE. This is because the CVE does not impact the versions or configurations of the Linux kernel used in Red Hat's distributions. Additionally, some RHEL versions may be marked as \"will not fix\" due to the minimal impact of the issue, and no fix will be provided.", "threat_severity": "Moderate"}

{}