Show plain JSON{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-49936", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T12:17:06.042Z", "datePublished": "2024-10-21T18:01:57.066Z", "dateUpdated": "2025-05-21T09:13:24.244Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-21T09:13:24.244Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/xen-netback: prevent UAF in xenvif_flush_hash()\n\nDuring the list_for_each_entry_rcu iteration call of xenvif_flush_hash,\nkfree_rcu does not exist inside the rcu read critical section, so if\nkfree_rcu is called when the rcu grace period ends during the iteration,\nUAF occurs when accessing head->next after the entry becomes free.\n\nTherefore, to solve this, you need to change it to list_for_each_entry_safe."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/xen-netback/hash.c"], "versions": [{"version": "026e93dc0a3eefb0be060bcb9ecd8d7a7fd5c398", "lessThan": "3c4423b0c4b98213b3438e15061e1d08220e6982", "status": "affected", "versionType": "git"}, {"version": "026e93dc0a3eefb0be060bcb9ecd8d7a7fd5c398", "lessThan": "a7f0073fcd12ed7de185ef2c0af9d0fa1ddef22c", "status": "affected", "versionType": "git"}, {"version": "026e93dc0a3eefb0be060bcb9ecd8d7a7fd5c398", "lessThan": "a0465723b8581cad27164c9073fd780904cd22d4", "status": "affected", "versionType": "git"}, {"version": "026e93dc0a3eefb0be060bcb9ecd8d7a7fd5c398", "lessThan": "efcff6ce7467f01f0753609f420333f3f2ceceda", "status": "affected", "versionType": "git"}, {"version": "026e93dc0a3eefb0be060bcb9ecd8d7a7fd5c398", "lessThan": "143edf098b80669d05245b2f2367dd156a83a2c5", "status": "affected", "versionType": "git"}, {"version": "026e93dc0a3eefb0be060bcb9ecd8d7a7fd5c398", "lessThan": "d408889d4b54f5501e4becc4dbbb9065143fbf4e", "status": "affected", "versionType": "git"}, {"version": "026e93dc0a3eefb0be060bcb9ecd8d7a7fd5c398", "lessThan": "54d8639af5568fc41c0e274fc3ec9cf86c59fcbb", "status": "affected", "versionType": "git"}, {"version": "026e93dc0a3eefb0be060bcb9ecd8d7a7fd5c398", "lessThan": "0fa5e94a1811d68fbffa0725efe6d4ca62c03d12", "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/xen-netback/hash.c"], "versions": [{"version": "4.11", "status": "affected"}, {"version": "0", "lessThan": "4.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.290", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.227", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.168", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.113", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.55", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10.14", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.3", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12", "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": "4.11", "versionEndExcluding": "5.4.290"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "5.10.227"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "5.15.168"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.1.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.6.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.10.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.11.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.12"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3c4423b0c4b98213b3438e15061e1d08220e6982"}, {"url": "https://git.kernel.org/stable/c/a7f0073fcd12ed7de185ef2c0af9d0fa1ddef22c"}, {"url": "https://git.kernel.org/stable/c/a0465723b8581cad27164c9073fd780904cd22d4"}, {"url": "https://git.kernel.org/stable/c/efcff6ce7467f01f0753609f420333f3f2ceceda"}, {"url": "https://git.kernel.org/stable/c/143edf098b80669d05245b2f2367dd156a83a2c5"}, {"url": "https://git.kernel.org/stable/c/d408889d4b54f5501e4becc4dbbb9065143fbf4e"}, {"url": "https://git.kernel.org/stable/c/54d8639af5568fc41c0e274fc3ec9cf86c59fcbb"}, {"url": "https://git.kernel.org/stable/c/0fa5e94a1811d68fbffa0725efe6d4ca62c03d12"}], "title": "net/xen-netback: prevent UAF in xenvif_flush_hash()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-49936", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-22T13:38:23.774447Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:38:51.250Z"}}]}}