CVE-2026-72069

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72069", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.903Z", "datePublished": "2026-08-15T05:52:21.752Z", "dateUpdated": "2026-10-19T21:19:26.463Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-23T12:46:41.836Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlocking/rt: Fix the incorrect RCU protection in rt_spin_unlock()\n\nrt_spin_unlock() releases the RCU protection before unlocking the\nlock. That opens the door for the following UAF scenario:\n\n T1\t\t\t\t\tT2\n spin_lock(&p->lock);\t\trcu_read_lock();\n invalidate(p);\t\t\tp = rcu_dereference(ptr);\n rcu_assign_pointer(ptr, NULL);\tif (!p) return;\n spin_unlock(&p->lock);\t\tspin_lock(&p->lock)\n \t\t\t\t lock(&lock->lock);\n\t\t\t\t rcu_read_lock();\n kfree_rcu(p);\t\t\trcu_read_unlock();\n\t\t\t\t....\n\t\t\t\tspin_unlock(&p->lock)\n\t\t\t\t rcu_read_unlock(); // Ends grace period\n rcu_do_batch()\n kfree(p);\n\t\t\t UAF ->\t rt_mutex_cmpxchg_release(&lock->lock...)\n\nRegular spinlocks keep preemption disabled accross the unlock operation,\nwhich provides full RCU protection, but the RT substitution fails to\nresemble that. Same applies for the rwlock substitution.\n\nMove the rcu_read_unlock() invocation past the unlock operations to match\nthe non-RT semantics. This makes it asymmetric vs. rt_xxx_lock(), but\nthat's harmless as the caller needs to hold RCU read lock across the lock\noperation. The migrate_enable() call stays before the unlock operation\nbecause there is no per CPU operation in the unlock path which would\nrequire migration to be kept disabled."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}, "scenarios": [{"lang": "en", "value": "AV:N - On CONFIG_PREEMPT_RT, every spin_unlock() is substituted by rt_spin_unlock(); network subsystems such as netfilter xt_hashlimit process inbound packets through hashlimit_mt_common(), spin_lock/unlock on RCU-protected dsthash_ent objects concurrently freed via call_rcu by GC\u2014the exact embedded-spinlock UAF pattern from the fix.\nAC:L - The bug is a cross-CPU race where rt_spin_unlock() calls rcu_read_unlock() before releasing the rtmutex, ending the RCU grace period while still dereferencing the lock; syzbot triggered this reliably on PREEMPT_RT via concurrent unlinkat and dentry teardown, and attackers control both sides with parallel syscalls or packet/GC load.\nPR:N - Remote attackers need no account, capability, or authentication to send packets that hit deployed hashlimit rules on internet-facing PREEMPT_RT gateways; the proven syzbot unlinkat path needs only directory write permission (PR:L), but PR:N reflects the highest-severity unauthenticated network packet scenario.\nUI:N - No victim interaction is required; the attacker drives the race through their own concurrent filesystem syscalls (syzbot: unlinkat racing __fput/dentry_kill) or sustained inbound traffic overlapping netfilter GC, without needing another user to open files or mount filesystems.\nS:U - The UAF corrupts kernel slab memory containing embedded spinlock/rtmutex fields and enables privilege escalation within the same kernel security authority; it does not inherently cross VM/guest, container sandbox, or IOMMU hardware isolation boundaries.\nC:H - Syzbot reported KASAN slab-use-after-free Read in rt_mutex_slowunlock during spin_unlock on a freed dentry in shrink_dcache_tree; the systemic UAF lets attackers read freed objects (dentry, dsthash_ent, etc.) after premature RCU grace-period completion, enabling kernel pointer and memory disclosure.\nI:H - UAF on embedded rtmutex fields inside freed slab objects (dentry->d_lock per syzbot) permits heap grooming and reallocation of attacker-controlled data, providing standard kernel heap corruption primitives for arbitrary write and control-flow hijack beyond the immediate crash.\nA:H - Syzbot hit KASAN slab-use-after-free causing kernel fault in shrink_dcache_tree via rt_spin_unlock on PREEMPT_RT; the bug can oops/panic any RT kernel whenever spin_unlock races RCU-deferred free of the containing object, enabling repeatable denial of service via concurrent VFS or netfilter operations."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/locking/spinlock_rt.c"], "versions": [{"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "af28d801cd2db4cc7378554499bd4a5d84a5517e", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "9d1fcd64ab81200e02b7a6db5eb1da8e244e8289", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "3cfaac77b3c32ac3940df28866de263c3f45d24c", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "1f0d56d3f1e88f20f6e46109402f8c15d59bac37", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "633cadbc0b8323f5cc140a285d2432089dbb534e", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "83f9fb561c1c3917e19f95523dd933c7d30291aa", "status": "affected", "versionType": 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"versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.15", "versionEndExcluding": "5.15.217"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.184"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/af28d801cd2db4cc7378554499bd4a5d84a5517e"}, {"url": "https://git.kernel.org/stable/c/9d1fcd64ab81200e02b7a6db5eb1da8e244e8289"}, {"url": "https://git.kernel.org/stable/c/3cfaac77b3c32ac3940df28866de263c3f45d24c"}, {"url": "https://git.kernel.org/stable/c/1f0d56d3f1e88f20f6e46109402f8c15d59bac37"}, {"url": "https://git.kernel.org/stable/c/633cadbc0b8323f5cc140a285d2432089dbb534e"}, {"url": "https://git.kernel.org/stable/c/83f9fb561c1c3917e19f95523dd933c7d30291aa"}, {"url": "https://git.kernel.org/stable/c/89038cc87d80c77e7aa6f42a64b2573b74af339f"}], "title": "locking/rt: Fix the incorrect RCU protection in rt_spin_unlock()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72069", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:51:20.973593Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T21:19:26.463Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72069", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.903Z", "datePublished": "2026-08-15T05:52:21.752Z", "dateUpdated": "2026-10-19T21:19:26.463Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-23T12:46:41.836Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlocking/rt: Fix the incorrect RCU protection in rt_spin_unlock()\n\nrt_spin_unlock() releases the RCU protection before unlocking the\nlock. That opens the door for the following UAF scenario:\n\n T1\t\t\t\t\tT2\n spin_lock(&p->lock);\t\trcu_read_lock();\n invalidate(p);\t\t\tp = rcu_dereference(ptr);\n rcu_assign_pointer(ptr, NULL);\tif (!p) return;\n spin_unlock(&p->lock);\t\tspin_lock(&p->lock)\n \t\t\t\t lock(&lock->lock);\n\t\t\t\t rcu_read_lock();\n kfree_rcu(p);\t\t\trcu_read_unlock();\n\t\t\t\t....\n\t\t\t\tspin_unlock(&p->lock)\n\t\t\t\t rcu_read_unlock(); // Ends grace period\n rcu_do_batch()\n kfree(p);\n\t\t\t UAF ->\t rt_mutex_cmpxchg_release(&lock->lock...)\n\nRegular spinlocks keep preemption disabled accross the unlock operation,\nwhich provides full RCU protection, but the RT substitution fails to\nresemble that. Same applies for the rwlock substitution.\n\nMove the rcu_read_unlock() invocation past the unlock operations to match\nthe non-RT semantics. This makes it asymmetric vs. rt_xxx_lock(), but\nthat's harmless as the caller needs to hold RCU read lock across the lock\noperation. The migrate_enable() call stays before the unlock operation\nbecause there is no per CPU operation in the unlock path which would\nrequire migration to be kept disabled."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}, "scenarios": [{"lang": "en", "value": "AV:N - On CONFIG_PREEMPT_RT, every spin_unlock() is substituted by rt_spin_unlock(); network subsystems such as netfilter xt_hashlimit process inbound packets through hashlimit_mt_common(), spin_lock/unlock on RCU-protected dsthash_ent objects concurrently freed via call_rcu by GC\u2014the exact embedded-spinlock UAF pattern from the fix.\nAC:L - The bug is a cross-CPU race where rt_spin_unlock() calls rcu_read_unlock() before releasing the rtmutex, ending the RCU grace period while still dereferencing the lock; syzbot triggered this reliably on PREEMPT_RT via concurrent unlinkat and dentry teardown, and attackers control both sides with parallel syscalls or packet/GC load.\nPR:N - Remote attackers need no account, capability, or authentication to send packets that hit deployed hashlimit rules on internet-facing PREEMPT_RT gateways; the proven syzbot unlinkat path needs only directory write permission (PR:L), but PR:N reflects the highest-severity unauthenticated network packet scenario.\nUI:N - No victim interaction is required; the attacker drives the race through their own concurrent filesystem syscalls (syzbot: unlinkat racing __fput/dentry_kill) or sustained inbound traffic overlapping netfilter GC, without needing another user to open files or mount filesystems.\nS:U - The UAF corrupts kernel slab memory containing embedded spinlock/rtmutex fields and enables privilege escalation within the same kernel security authority; it does not inherently cross VM/guest, container sandbox, or IOMMU hardware isolation boundaries.\nC:H - Syzbot reported KASAN slab-use-after-free Read in rt_mutex_slowunlock during spin_unlock on a freed dentry in shrink_dcache_tree; the systemic UAF lets attackers read freed objects (dentry, dsthash_ent, etc.) after premature RCU grace-period completion, enabling kernel pointer and memory disclosure.\nI:H - UAF on embedded rtmutex fields inside freed slab objects (dentry->d_lock per syzbot) permits heap grooming and reallocation of attacker-controlled data, providing standard kernel heap corruption primitives for arbitrary write and control-flow hijack beyond the immediate crash.\nA:H - Syzbot hit KASAN slab-use-after-free causing kernel fault in shrink_dcache_tree via rt_spin_unlock on PREEMPT_RT; the bug can oops/panic any RT kernel whenever spin_unlock races RCU-deferred free of the containing object, enabling repeatable denial of service via concurrent VFS or netfilter operations."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/locking/spinlock_rt.c"], "versions": [{"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "af28d801cd2db4cc7378554499bd4a5d84a5517e", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "9d1fcd64ab81200e02b7a6db5eb1da8e244e8289", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "3cfaac77b3c32ac3940df28866de263c3f45d24c", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "1f0d56d3f1e88f20f6e46109402f8c15d59bac37", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "633cadbc0b8323f5cc140a285d2432089dbb534e", "status": "affected", "versionType": "git"}, {"version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "lessThan": "83f9fb561c1c3917e19f95523dd933c7d30291aa", "status": "affected", "versionType": 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"versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.15", "versionEndExcluding": "5.15.217"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.184"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", 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Fix the incorrect RCU protection in rt_spin_unlock()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72069", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:51:20.973593Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:51:21.537Z"}, "title": "CISA ADP Vulnrichment"}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/locking/spinlock_rt.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "af28d801cd2db4cc7378554499bd4a5d84a5517e", "status": "affected", "version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "versionType": "git"}, {"lessThan": "9d1fcd64ab81200e02b7a6db5eb1da8e244e8289", "status": "affected", "version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "versionType": "git"}, {"lessThan": "3cfaac77b3c32ac3940df28866de263c3f45d24c", "status": "affected", "version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "versionType": "git"}, {"lessThan": "1f0d56d3f1e88f20f6e46109402f8c15d59bac37", "status": "affected", "version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "versionType": "git"}, {"lessThan": "633cadbc0b8323f5cc140a285d2432089dbb534e", "status": "affected", "version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "versionType": "git"}, {"lessThan": "83f9fb561c1c3917e19f95523dd933c7d30291aa", "status": "affected", "version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "versionType": "git"}, {"lessThan": "89038cc87d80c77e7aa6f42a64b2573b74af339f", "status": "affected", "version": "0f383b6dc96e976dfbf2721b0bf10bd96103b341", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/locking/spinlock_rt.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.15"}, {"lessThan": "5.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.217", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.184", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlocking/rt: Fix the incorrect RCU protection in rt_spin_unlock()\n\nrt_spin_unlock() releases the RCU protection before unlocking the\nlock. That opens the door for the following UAF scenario:\n\n T1\t\t\t\t\tT2\n spin_lock(&p->lock);\t\trcu_read_lock();\n invalidate(p);\t\t\tp = rcu_dereference(ptr);\n rcu_assign_pointer(ptr, NULL);\tif (!p) return;\n spin_unlock(&p->lock);\t\tspin_lock(&p->lock)\n \t\t\t\t lock(&lock->lock);\n\t\t\t\t rcu_read_lock();\n kfree_rcu(p);\t\t\trcu_read_unlock();\n\t\t\t\t....\n\t\t\t\tspin_unlock(&p->lock)\n\t\t\t\t rcu_read_unlock(); // Ends grace period\n rcu_do_batch()\n kfree(p);\n\t\t\t UAF ->\t rt_mutex_cmpxchg_release(&lock->lock...)\n\nRegular spinlocks keep preemption disabled accross the unlock operation,\nwhich provides full RCU protection, but the RT substitution fails to\nresemble that. Same applies for the rwlock substitution.\n\nMove the rcu_read_unlock() invocation past the unlock operations to match\nthe non-RT semantics. This makes it asymmetric vs. rt_xxx_lock(), but\nthat's harmless as the caller needs to hold RCU read lock across the lock\noperation. The migrate_enable() call stays before the unlock operation\nbecause there is no per CPU operation in the unlock path which would\nrequire migration to be kept disabled."}], "id": "CVE-2026-72069", "lastModified": "2026-10-19T22:17:25.740", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72069", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:51:20.973593Z", "version": "2.0.3"}}]}, "published": "2026-08-15T06:21:16.607", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1f0d56d3f1e88f20f6e46109402f8c15d59bac37"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3cfaac77b3c32ac3940df28866de263c3f45d24c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/633cadbc0b8323f5cc140a285d2432089dbb534e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/83f9fb561c1c3917e19f95523dd933c7d30291aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89038cc87d80c77e7aa6f42a64b2573b74af339f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9d1fcd64ab81200e02b7a6db5eb1da8e244e8289"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/af28d801cd2db4cc7378554499bd4a5d84a5517e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: locking/rt: Fix the incorrect RCU protection in rt_spin_unlock()", "id": "2516248", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516248"}, "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"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel. The `rt_spin_unlock()` function, and similar real-time (RT) locking mechanisms, incorrectly release Read-Copy-Update (RCU) protection before fully unlocking, leading to a Use-After-Free (UAF) vulnerability. This issue could allow a local attacker to potentially cause a denial of service or achieve privilege escalation."], "name": "CVE-2026-72069", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not 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": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72069\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72069\nhttps://lore.kernel.org/linux-cve-announce/2026081519-CVE-2026-72069-dde8@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0f383b6dc96e976dfbf2721b0bf10bd96103b341,3cfaac77b3c32ac3940df28866de263c3f45d24c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0f383b6dc96e976dfbf2721b0bf10bd96103b341,1f0d56d3f1e88f20f6e46109402f8c15d59bac37)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0f383b6dc96e976dfbf2721b0bf10bd96103b341,633cadbc0b8323f5cc140a285d2432089dbb534e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0f383b6dc96e976dfbf2721b0bf10bd96103b341,83f9fb561c1c3917e19f95523dd933c7d30291aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0f383b6dc96e976dfbf2721b0bf10bd96103b341,89038cc87d80c77e7aa6f42a64b2573b74af339f)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T08:30:06.148918+00:00", "updated": "2026-10-20T11:00:15.212379+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416", "CWE-825"]}