{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-53042","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-11-19T17:17:24.971Z","datePublished":"2024-11-19T17:19:30.854Z","dateUpdated":"2025-11-03T22:28:44.629Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:51:28.480Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()\n\nThere are code paths from which the function is called without holding\nthe RCU read lock, resulting in a suspicious RCU usage warning [1].\n\nFix by using l3mdev_master_upper_ifindex_by_index() which will acquire\nthe RCU read lock before calling\nl3mdev_master_upper_ifindex_by_index_rcu().\n\n[1]\nWARNING: suspicious RCU usage\n6.12.0-rc3-custom-gac8f72681cf2 #141 Not tainted\n-----------------------------\nnet/core/dev.c:876 RCU-list traversed in non-reader section!!\n\nother info that might help us debug this:\n\nrcu_scheduler_active = 2, debug_locks = 1\n1 lock held by ip/361:\n #0: ffffffff86fc7cb0 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x377/0xf60\n\nstack backtrace:\nCPU: 3 UID: 0 PID: 361 Comm: ip Not tainted 6.12.0-rc3-custom-gac8f72681cf2 #141\nHardware name: Bochs Bochs, BIOS Bochs 01/01/2011\nCall Trace:\n <TASK>\n dump_stack_lvl+0xba/0x110\n lockdep_rcu_suspicious.cold+0x4f/0xd6\n dev_get_by_index_rcu+0x1d3/0x210\n l3mdev_master_upper_ifindex_by_index_rcu+0x2b/0xf0\n ip_tunnel_bind_dev+0x72f/0xa00\n ip_tunnel_newlink+0x368/0x7a0\n ipgre_newlink+0x14c/0x170\n __rtnl_newlink+0x1173/0x19c0\n rtnl_newlink+0x6c/0xa0\n rtnetlink_rcv_msg+0x3cc/0xf60\n netlink_rcv_skb+0x171/0x450\n netlink_unicast+0x539/0x7f0\n netlink_sendmsg+0x8c1/0xd80\n ____sys_sendmsg+0x8f9/0xc20\n ___sys_sendmsg+0x197/0x1e0\n __sys_sendmsg+0x122/0x1f0\n do_syscall_64+0xbb/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/ip_tunnels.h"],"versions":[{"version":"ab6c9463b137163ba53fc050bf2c72bed2c997b8","lessThan":"e2742758c9c85c84e077ede5f916479f724e11c2","status":"affected","versionType":"git"},{"version":"760852df570747e500a9632d34cbbf4faef30855","lessThan":"5edcb3fdb12c3d46a6e79eeeec27d925b80fc168","status":"affected","versionType":"git"},{"version":"db53cd3d88dc328dea2e968c9c8d3b4294a8a674","lessThan":"72c0f482e39c87317ebf67661e28c8d86c93e870","status":"affected","versionType":"git"},{"version":"db53cd3d88dc328dea2e968c9c8d3b4294a8a674","lessThan":"699b48fc31727792edf2cab3829586ae6ba649e2","status":"affected","versionType":"git"},{"version":"db53cd3d88dc328dea2e968c9c8d3b4294a8a674","lessThan":"6dfaa458fe923211c766238a224e0a3c0522935c","status":"affected","versionType":"git"},{"version":"db53cd3d88dc328dea2e968c9c8d3b4294a8a674","lessThan":"ad4a3ca6a8e886f6491910a3ae5d53595e40597d","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/ip_tunnels.h"],"versions":[{"version":"5.18","status":"affected"},{"version":"0","lessThan":"5.18","status":"unaffected","versionType":"semver"},{"version":"5.10.229","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.171","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.116","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.60","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.11.7","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":"5.10.227","versionEndExcluding":"5.10.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.168","versionEndExcluding":"5.15.171"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.116"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.6.60"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.11.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.12"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e2742758c9c85c84e077ede5f916479f724e11c2"},{"url":"https://git.kernel.org/stable/c/5edcb3fdb12c3d46a6e79eeeec27d925b80fc168"},{"url":"https://git.kernel.org/stable/c/72c0f482e39c87317ebf67661e28c8d86c93e870"},{"url":"https://git.kernel.org/stable/c/699b48fc31727792edf2cab3829586ae6ba649e2"},{"url":"https://git.kernel.org/stable/c/6dfaa458fe923211c766238a224e0a3c0522935c"},{"url":"https://git.kernel.org/stable/c/ad4a3ca6a8e886f6491910a3ae5d53595e40597d"}],"title":"ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()","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-2024-53042","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T20:13:44.449792Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T20:17:19.574Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:28:44.629Z"}}]}}