{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49153","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T01:49:39.275Z","datePublished":"2025-02-26T01:55:18.745Z","dateUpdated":"2025-10-01T19:57:01.052Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:31:07.768Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwireguard: socket: free skb in send6 when ipv6 is disabled\n\nI got a memory leak report:\n\nunreferenced object 0xffff8881191fc040 (size 232):\n  comm \"kworker/u17:0\", pid 23193, jiffies 4295238848 (age 3464.870s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<ffffffff814c3ef4>] slab_post_alloc_hook+0x84/0x3b0\n    [<ffffffff814c8977>] kmem_cache_alloc_node+0x167/0x340\n    [<ffffffff832974fb>] __alloc_skb+0x1db/0x200\n    [<ffffffff82612b5d>] wg_socket_send_buffer_to_peer+0x3d/0xc0\n    [<ffffffff8260e94a>] wg_packet_send_handshake_initiation+0xfa/0x110\n    [<ffffffff8260ec81>] wg_packet_handshake_send_worker+0x21/0x30\n    [<ffffffff8119c558>] process_one_work+0x2e8/0x770\n    [<ffffffff8119ca2a>] worker_thread+0x4a/0x4b0\n    [<ffffffff811a88e0>] kthread+0x120/0x160\n    [<ffffffff8100242f>] ret_from_fork+0x1f/0x30\n\nIn function wg_socket_send_buffer_as_reply_to_skb() or wg_socket_send_\nbuffer_to_peer(), the semantics of send6() is required to free skb. But\nwhen CONFIG_IPV6 is disable, kfree_skb() is missing. This patch adds it\nto fix this bug."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireguard/socket.c"],"versions":[{"version":"e7096c131e5161fa3b8e52a650d7719d2857adfd","lessThan":"096f9d35cac0a0c95ffafc00db84786b665a4837","status":"affected","versionType":"git"},{"version":"e7096c131e5161fa3b8e52a650d7719d2857adfd","lessThan":"402991a9771587acc2947cf6c4d689c5397f2258","status":"affected","versionType":"git"},{"version":"e7096c131e5161fa3b8e52a650d7719d2857adfd","lessThan":"ebcc492f4ba14bae54b898f1016a37b4282558d1","status":"affected","versionType":"git"},{"version":"e7096c131e5161fa3b8e52a650d7719d2857adfd","lessThan":"0b19bcb753dbfb74710d12bb2761ec5ed706c726","status":"affected","versionType":"git"},{"version":"e7096c131e5161fa3b8e52a650d7719d2857adfd","lessThan":"bbbf962d9460194993ee1943a793a0a0af4a7fbf","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/wireguard/socket.c"],"versions":[{"version":"5.6","status":"affected"},{"version":"0","lessThan":"5.6","status":"unaffected","versionType":"semver"},{"version":"5.10.110","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.33","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.19","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17.2","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18","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":"5.6","versionEndExcluding":"5.10.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/096f9d35cac0a0c95ffafc00db84786b665a4837"},{"url":"https://git.kernel.org/stable/c/402991a9771587acc2947cf6c4d689c5397f2258"},{"url":"https://git.kernel.org/stable/c/ebcc492f4ba14bae54b898f1016a37b4282558d1"},{"url":"https://git.kernel.org/stable/c/0b19bcb753dbfb74710d12bb2761ec5ed706c726"},{"url":"https://git.kernel.org/stable/c/bbbf962d9460194993ee1943a793a0a0af4a7fbf"}],"title":"wireguard: socket: free skb in send6 when ipv6 is disabled","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49153","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:47:43.493008Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-401","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T19:57:01.052Z"}}]}}