{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38392", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.011Z", "datePublished": "2025-07-25T12:53:37.175Z", "dateUpdated": "2026-05-11T21:27:05.801Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:27:05.801Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: convert control queue mutex to a spinlock\n\nWith VIRTCHNL2_CAP_MACFILTER enabled, the following warning is generated\non module load:\n\n[ 324.701677] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578\n[ 324.701684] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1582, name: NetworkManager\n[ 324.701689] preempt_count: 201, expected: 0\n[ 324.701693] RCU nest depth: 0, expected: 0\n[ 324.701697] 2 locks held by NetworkManager/1582:\n[ 324.701702] #0: ffffffff9f7be770 (rtnl_mutex){....}-{3:3}, at: rtnl_newlink+0x791/0x21e0\n[ 324.701730] #1: ff1100216c380368 (_xmit_ETHER){....}-{2:2}, at: __dev_open+0x3f0/0x870\n[ 324.701749] Preemption disabled at:\n[ 324.701752] [<ffffffff9cd23b9d>] __dev_open+0x3dd/0x870\n[ 324.701765] CPU: 30 UID: 0 PID: 1582 Comm: NetworkManager Not tainted 6.15.0-rc5+ #2 PREEMPT(voluntary)\n[ 324.701771] Hardware name: Intel Corporation M50FCP2SBSTD/M50FCP2SBSTD, BIOS SE5C741.86B.01.01.0001.2211140926 11/14/2022\n[ 324.701774] Call Trace:\n[ 324.701777] <TASK>\n[ 324.701779] dump_stack_lvl+0x5d/0x80\n[ 324.701788] ? __dev_open+0x3dd/0x870\n[ 324.701793] __might_resched.cold+0x1ef/0x23d\n<..>\n[ 324.701818] __mutex_lock+0x113/0x1b80\n<..>\n[ 324.701917] idpf_ctlq_clean_sq+0xad/0x4b0 [idpf]\n[ 324.701935] ? kasan_save_track+0x14/0x30\n[ 324.701941] idpf_mb_clean+0x143/0x380 [idpf]\n<..>\n[ 324.701991] idpf_send_mb_msg+0x111/0x720 [idpf]\n[ 324.702009] idpf_vc_xn_exec+0x4cc/0x990 [idpf]\n[ 324.702021] ? rcu_is_watching+0x12/0xc0\n[ 324.702035] idpf_add_del_mac_filters+0x3ed/0xb50 [idpf]\n<..>\n[ 324.702122] __hw_addr_sync_dev+0x1cf/0x300\n[ 324.702126] ? find_held_lock+0x32/0x90\n[ 324.702134] idpf_set_rx_mode+0x317/0x390 [idpf]\n[ 324.702152] __dev_open+0x3f8/0x870\n[ 324.702159] ? __pfx___dev_open+0x10/0x10\n[ 324.702174] __dev_change_flags+0x443/0x650\n<..>\n[ 324.702208] netif_change_flags+0x80/0x160\n[ 324.702218] do_setlink.isra.0+0x16a0/0x3960\n<..>\n[ 324.702349] rtnl_newlink+0x12fd/0x21e0\n\nThe sequence is as follows:\n\trtnl_newlink()->\n\t__dev_change_flags()->\n\t__dev_open()->\n\tdev_set_rx_mode() - > # disables BH and grabs \"dev->addr_list_lock\"\n\tidpf_set_rx_mode() -> # proceed only if VIRTCHNL2_CAP_MACFILTER is ON\n\t__dev_uc_sync() ->\n\tidpf_add_mac_filter ->\n\tidpf_add_del_mac_filters ->\n\tidpf_send_mb_msg() ->\n\tidpf_mb_clean() ->\n\tidpf_ctlq_clean_sq() # mutex_lock(cq_lock)\n\nFix by converting cq_lock to a spinlock. All operations under the new\nlock are safe except freeing the DMA memory, which may use vunmap(). Fix\nby requesting a contiguous physical memory for the DMA mapping."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/idpf/idpf_controlq.c", "drivers/net/ethernet/intel/idpf/idpf_controlq_api.h", "drivers/net/ethernet/intel/idpf/idpf_lib.c"], "versions": [{"version": "a251eee62133774cf35ff829041377e721ef9c8c", "lessThan": "9a36715cd6bc6a6f16230e19a7f947bab34b3fe5", "status": "affected", "versionType": "git"}, {"version": "a251eee62133774cf35ff829041377e721ef9c8c", "lessThan": "dc6c3c2c9dfdaa3a3357f59a80a2904677a71a9a", "status": "affected", "versionType": "git"}, {"version": "a251eee62133774cf35ff829041377e721ef9c8c", "lessThan": "b2beb5bb2cd90d7939e470ed4da468683f41baa3", "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/net/ethernet/intel/idpf/idpf_controlq.c", "drivers/net/ethernet/intel/idpf/idpf_controlq_api.h", "drivers/net/ethernet/intel/idpf/idpf_lib.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.37", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.6", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "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": "6.7", "versionEndExcluding": "6.12.37"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.15.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9a36715cd6bc6a6f16230e19a7f947bab34b3fe5"}, {"url": "https://git.kernel.org/stable/c/dc6c3c2c9dfdaa3a3357f59a80a2904677a71a9a"}, {"url": "https://git.kernel.org/stable/c/b2beb5bb2cd90d7939e470ed4da468683f41baa3"}], "title": "idpf: convert control queue mutex to a spinlock", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6B4159AA-C70D-4DE5-9EE2-8F2728F13C5D", "versionEndExcluding": "6.12.37", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6E0BB4E0-44BC-4645-83A8-6EA232CE624C", "versionEndExcluding": "6.15.6", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*", "matchCriteriaId": "6D4894DB-CCFE-4602-B1BF-3960B2E19A01", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*", "matchCriteriaId": "09709862-E348-4378-8632-5A7813EDDC86", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*", "matchCriteriaId": "415BF58A-8197-43F5-B3D7-D1D63057A26E", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc4:*:*:*:*:*:*", "matchCriteriaId": "A0517869-312D-4429-80C2-561086E1421C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: convert control queue mutex to a spinlock\n\nWith VIRTCHNL2_CAP_MACFILTER enabled, the following warning is generated\non module load:\n\n[ 324.701677] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578\n[ 324.701684] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1582, name: NetworkManager\n[ 324.701689] preempt_count: 201, expected: 0\n[ 324.701693] RCU nest depth: 0, expected: 0\n[ 324.701697] 2 locks held by NetworkManager/1582:\n[ 324.701702] #0: ffffffff9f7be770 (rtnl_mutex){....}-{3:3}, at: rtnl_newlink+0x791/0x21e0\n[ 324.701730] #1: ff1100216c380368 (_xmit_ETHER){....}-{2:2}, at: __dev_open+0x3f0/0x870\n[ 324.701749] Preemption disabled at:\n[ 324.701752] [<ffffffff9cd23b9d>] __dev_open+0x3dd/0x870\n[ 324.701765] CPU: 30 UID: 0 PID: 1582 Comm: NetworkManager Not tainted 6.15.0-rc5+ #2 PREEMPT(voluntary)\n[ 324.701771] Hardware name: Intel Corporation M50FCP2SBSTD/M50FCP2SBSTD, BIOS SE5C741.86B.01.01.0001.2211140926 11/14/2022\n[ 324.701774] Call Trace:\n[ 324.701777] <TASK>\n[ 324.701779] dump_stack_lvl+0x5d/0x80\n[ 324.701788] ? __dev_open+0x3dd/0x870\n[ 324.701793] __might_resched.cold+0x1ef/0x23d\n<..>\n[ 324.701818] __mutex_lock+0x113/0x1b80\n<..>\n[ 324.701917] idpf_ctlq_clean_sq+0xad/0x4b0 [idpf]\n[ 324.701935] ? kasan_save_track+0x14/0x30\n[ 324.701941] idpf_mb_clean+0x143/0x380 [idpf]\n<..>\n[ 324.701991] idpf_send_mb_msg+0x111/0x720 [idpf]\n[ 324.702009] idpf_vc_xn_exec+0x4cc/0x990 [idpf]\n[ 324.702021] ? rcu_is_watching+0x12/0xc0\n[ 324.702035] idpf_add_del_mac_filters+0x3ed/0xb50 [idpf]\n<..>\n[ 324.702122] __hw_addr_sync_dev+0x1cf/0x300\n[ 324.702126] ? find_held_lock+0x32/0x90\n[ 324.702134] idpf_set_rx_mode+0x317/0x390 [idpf]\n[ 324.702152] __dev_open+0x3f8/0x870\n[ 324.702159] ? __pfx___dev_open+0x10/0x10\n[ 324.702174] __dev_change_flags+0x443/0x650\n<..>\n[ 324.702208] netif_change_flags+0x80/0x160\n[ 324.702218] do_setlink.isra.0+0x16a0/0x3960\n<..>\n[ 324.702349] rtnl_newlink+0x12fd/0x21e0\n\nThe sequence is as follows:\n\trtnl_newlink()->\n\t__dev_change_flags()->\n\t__dev_open()->\n\tdev_set_rx_mode() - > # disables BH and grabs \"dev->addr_list_lock\"\n\tidpf_set_rx_mode() -> # proceed only if VIRTCHNL2_CAP_MACFILTER is ON\n\t__dev_uc_sync() ->\n\tidpf_add_mac_filter ->\n\tidpf_add_del_mac_filters ->\n\tidpf_send_mb_msg() ->\n\tidpf_mb_clean() ->\n\tidpf_ctlq_clean_sq() # mutex_lock(cq_lock)\n\nFix by converting cq_lock to a spinlock. All operations under the new\nlock are safe except freeing the DMA memory, which may use vunmap(). Fix\nby requesting a contiguous physical memory for the DMA mapping."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: idpf: convertir mutex de cola de control en un spinlock Con VIRTCHNL2_CAP_MACFILTER habilitado, se genera la siguiente advertencia al cargar el m\u00f3dulo: [ 324.701677] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578 [ 324.701684] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1582, name: NetworkManager [ 324.701689] preempt_count: 201, expected: 0 [ 324.701693] RCU nest depth: 0, expected: 0 [ 324.701697] 2 locks held by NetworkManager/1582: [ 324.701702] #0: ffffffff9f7be770 (rtnl_mutex){....}-{3:3}, at: rtnl_newlink+0x791/0x21e0 [ 324.701730] #1: ff1100216c380368 (_xmit_ETHER){....}-{2:2}, at: __dev_open+0x3f0/0x870 [ 324.701749] Preemption disabled at: [ 324.701752] [] __dev_open+0x3dd/0x870 [ 324.701765] CPU: 30 UID: 0 PID: 1582 Comm: NetworkManager Not tainted 6.15.0-rc5+ #2 PREEMPT(voluntary) [ 324.701771] Hardware name: Intel Corporation M50FCP2SBSTD/M50FCP2SBSTD, BIOS SE5C741.86B.01.01.0001.2211140926 11/14/2022 [ 324.701774] Call Trace: [ 324.701777] [ 324.701779] dump_stack_lvl+0x5d/0x80 [ 324.701788] ? __dev_open+0x3dd/0x870 [ 324.701793] __might_resched.cold+0x1ef/0x23d &lt;..&gt; [ 324.701818] __mutex_lock+0x113/0x1b80 &lt;..&gt; [ 324.701917] idpf_ctlq_clean_sq+0xad/0x4b0 [idpf] [ 324.701935] ? kasan_save_track+0x14/0x30 [ 324.701941] idpf_mb_clean+0x143/0x380 [idpf] &lt;..&gt; [ 324.701991] idpf_send_mb_msg+0x111/0x720 [idpf] [ 324.702009] idpf_vc_xn_exec+0x4cc/0x990 [idpf] [ 324.702021] ? rcu_is_watching+0x12/0xc0 [ 324.702035] idpf_add_del_mac_filters+0x3ed/0xb50 [idpf] &lt;..&gt; [ 324.702122] __hw_addr_sync_dev+0x1cf/0x300 [ 324.702126] ? find_held_lock+0x32/0x90 [ 324.702134] idpf_set_rx_mode+0x317/0x390 [idpf] [ 324.702152] __dev_open+0x3f8/0x870 [ 324.702159] ? __pfx___dev_open+0x10/0x10 [ 324.702174] __dev_change_flags+0x443/0x650 &lt;..&gt; [ 324.702208] netif_change_flags+0x80/0x160 [ 324.702218] do_setlink.isra.0+0x16a0/0x3960 &lt;..&gt; [ 324.702349] rtnl_newlink+0x12fd/0x21e0 The sequence is as follows: rtnl_newlink()-&gt; __dev_change_flags()-&gt; __dev_open()-&gt; dev_set_rx_mode() - &gt; # disables BH and grabs \"dev-&gt;addr_list_lock\" idpf_set_rx_mode() -&gt; # proceed only if VIRTCHNL2_CAP_MACFILTER is ON __dev_uc_sync() -&gt; idpf_add_mac_filter -&gt; idpf_add_del_mac_filters -&gt; idpf_send_mb_msg() -&gt; idpf_mb_clean() -&gt; idpf_ctlq_clean_sq() # mutex_lock(cq_lock) Se corrige convirtiendo cq_lock en un bloqueo de giro. Todas las operaciones bajo el nuevo bloqueo son seguras, excepto la liberaci\u00f3n de memoria DMA, que puede usar vunmap(). Se corrige solicitando una memoria f\u00edsica contigua para la asignaci\u00f3n de DMA."}], "id": "CVE-2025-38392", "lastModified": "2025-11-19T20:11:02.350", "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": "2025-07-25T13:15:28.617", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9a36715cd6bc6a6f16230e19a7f947bab34b3fe5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b2beb5bb2cd90d7939e470ed4da468683f41baa3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dc6c3c2c9dfdaa3a3357f59a80a2904677a71a9a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: idpf: convert control queue mutex to a spinlock", "id": "2383407", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2383407"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-767", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nidpf: convert control queue mutex to a spinlock\nWith VIRTCHNL2_CAP_MACFILTER enabled, the following warning is generated\non module load:\n[ 324.701677] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578\n[ 324.701684] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1582, name: NetworkManager\n[ 324.701689] preempt_count: 201, expected: 0\n[ 324.701693] RCU nest depth: 0, expected: 0\n[ 324.701697] 2 locks held by NetworkManager/1582:\n[ 324.701702] #0: ffffffff9f7be770 (rtnl_mutex){....}-{3:3}, at: rtnl_newlink+0x791/0x21e0\n[ 324.701730] #1: ff1100216c380368 (_xmit_ETHER){....}-{2:2}, at: __dev_open+0x3f0/0x870\n[ 324.701749] Preemption disabled at:\n[ 324.701752] [<ffffffff9cd23b9d>] __dev_open+0x3dd/0x870\n[ 324.701765] CPU: 30 UID: 0 PID: 1582 Comm: NetworkManager Not tainted 6.15.0-rc5+ #2 PREEMPT(voluntary)\n[ 324.701771] Hardware name: Intel Corporation M50FCP2SBSTD/M50FCP2SBSTD, BIOS SE5C741.86B.01.01.0001.2211140926 11/14/2022\n[ 324.701774] Call Trace:\n[ 324.701777] <TASK>\n[ 324.701779] dump_stack_lvl+0x5d/0x80\n[ 324.701788] ? __dev_open+0x3dd/0x870\n[ 324.701793] __might_resched.cold+0x1ef/0x23d\n<..>\n[ 324.701818] __mutex_lock+0x113/0x1b80\n<..>\n[ 324.701917] idpf_ctlq_clean_sq+0xad/0x4b0 [idpf]\n[ 324.701935] ? kasan_save_track+0x14/0x30\n[ 324.701941] idpf_mb_clean+0x143/0x380 [idpf]\n<..>\n[ 324.701991] idpf_send_mb_msg+0x111/0x720 [idpf]\n[ 324.702009] idpf_vc_xn_exec+0x4cc/0x990 [idpf]\n[ 324.702021] ? rcu_is_watching+0x12/0xc0\n[ 324.702035] idpf_add_del_mac_filters+0x3ed/0xb50 [idpf]\n<..>\n[ 324.702122] __hw_addr_sync_dev+0x1cf/0x300\n[ 324.702126] ? find_held_lock+0x32/0x90\n[ 324.702134] idpf_set_rx_mode+0x317/0x390 [idpf]\n[ 324.702152] __dev_open+0x3f8/0x870\n[ 324.702159] ? __pfx___dev_open+0x10/0x10\n[ 324.702174] __dev_change_flags+0x443/0x650\n<..>\n[ 324.702208] netif_change_flags+0x80/0x160\n[ 324.702218] do_setlink.isra.0+0x16a0/0x3960\n<..>\n[ 324.702349] rtnl_newlink+0x12fd/0x21e0\nThe sequence is as follows:\nrtnl_newlink()->\n__dev_change_flags()->\n__dev_open()->\ndev_set_rx_mode() - > # disables BH and grabs \"dev->addr_list_lock\"\nidpf_set_rx_mode() -> # proceed only if VIRTCHNL2_CAP_MACFILTER is ON\n__dev_uc_sync() ->\nidpf_add_mac_filter ->\nidpf_add_del_mac_filters ->\nidpf_send_mb_msg() ->\nidpf_mb_clean() ->\nidpf_ctlq_clean_sq() # mutex_lock(cq_lock)\nFix by converting cq_lock to a spinlock. All operations under the new\nlock are safe except freeing the DMA memory, which may use vunmap(). Fix\nby requesting a contiguous physical memory for the DMA mapping."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, prevent module idpf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically."}, "name": "CVE-2025-38392", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2025-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38392\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38392\nhttps://lore.kernel.org/linux-cve-announce/2025072508-CVE-2025-38392-17a6@gregkh/T"], "statement": "This patch fixes an invalid use of mutex_lock() in atomic context within the Intel idpf driver.\nWhen enabling VIRTCHNL2_CAP_MACFILTER, the driver attempted to acquire a mutex while holding spinlocks or in atomic context (e.g., via __dev_open()), resulting in kernel warnings or potential crashes.\nThe fix replaces the mutex with a spinlock and ensures that memory used in such contexts is allocated with DMA_ATTR_FORCE_CONTIGUOUS to avoid calls to vunmap() under spinlock.\nThe vulnerability has low impact on confidentiality or integrity, but poses a high risk to availability, especially on systems using the Intel idpf driver with MAC filtering enabled.\nThis issue is not limited to log flooding; it may also result in a kernel hang or soft lockup when triggered by an unprivileged user, making it a potential vector for local denial-of-service.\nThe driver for this module enabled only for the latest version of Red Hat Enterprise Linux 9 (or 10) and for the Red Hat Enterprise Linux 8.10 (and later), and not actual before.", "threat_severity": "Moderate"}

{"created": "2025-07-26T12:07:29.983814+00:00", "updated": "2025-07-26T12:07:29.983876+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}