{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2024-26665","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-19T14:20:24.149Z","datePublished":"2024-04-02T06:22:14.264Z","dateUpdated":"2026-05-11T20:01:49.375Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T20:01:49.375Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntunnels: fix out of bounds access when building IPv6 PMTU error\n\nIf the ICMPv6 error is built from a non-linear skb we get the following\nsplat,\n\n  BUG: KASAN: slab-out-of-bounds in do_csum+0x220/0x240\n  Read of size 4 at addr ffff88811d402c80 by task netperf/820\n  CPU: 0 PID: 820 Comm: netperf Not tainted 6.8.0-rc1+ #543\n  ...\n   kasan_report+0xd8/0x110\n   do_csum+0x220/0x240\n   csum_partial+0xc/0x20\n   skb_tunnel_check_pmtu+0xeb9/0x3280\n   vxlan_xmit_one+0x14c2/0x4080\n   vxlan_xmit+0xf61/0x5c00\n   dev_hard_start_xmit+0xfb/0x510\n   __dev_queue_xmit+0x7cd/0x32a0\n   br_dev_queue_push_xmit+0x39d/0x6a0\n\nUse skb_checksum instead of csum_partial who cannot deal with non-linear\nSKBs."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/ip_tunnel_core.c"],"versions":[{"version":"4cb47a8644cc9eb8ec81190a50e79e6530d0297f","lessThan":"e77bf828f1ca1c47fcff58bdc26b60a9d3dfbe1d","status":"affected","versionType":"git"},{"version":"4cb47a8644cc9eb8ec81190a50e79e6530d0297f","lessThan":"d964dd1bc1452594b4207d9229c157d9386e5d8a","status":"affected","versionType":"git"},{"version":"4cb47a8644cc9eb8ec81190a50e79e6530d0297f","lessThan":"e37cde7a5716466ff2a76f7f27f0a29b05b9a732","status":"affected","versionType":"git"},{"version":"4cb47a8644cc9eb8ec81190a50e79e6530d0297f","lessThan":"510c869ffa4068c5f19ff4df51d1e2f3a30aaac1","status":"affected","versionType":"git"},{"version":"4cb47a8644cc9eb8ec81190a50e79e6530d0297f","lessThan":"7dc9feb8b1705cf00de20563b6bc4831f4c99dab","status":"affected","versionType":"git"},{"version":"4cb47a8644cc9eb8ec81190a50e79e6530d0297f","lessThan":"d75abeec401f8c86b470e7028a13fcdc87e5dd06","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/ip_tunnel_core.c"],"versions":[{"version":"5.9","status":"affected"},{"version":"0","lessThan":"5.9","status":"unaffected","versionType":"semver"},{"version":"5.10.210","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.149","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.78","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.17","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.5","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8","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":"5.9","versionEndExcluding":"5.10.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.15.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.1.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.6.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.7.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e77bf828f1ca1c47fcff58bdc26b60a9d3dfbe1d"},{"url":"https://git.kernel.org/stable/c/d964dd1bc1452594b4207d9229c157d9386e5d8a"},{"url":"https://git.kernel.org/stable/c/e37cde7a5716466ff2a76f7f27f0a29b05b9a732"},{"url":"https://git.kernel.org/stable/c/510c869ffa4068c5f19ff4df51d1e2f3a30aaac1"},{"url":"https://git.kernel.org/stable/c/7dc9feb8b1705cf00de20563b6bc4831f4c99dab"},{"url":"https://git.kernel.org/stable/c/d75abeec401f8c86b470e7028a13fcdc87e5dd06"}],"title":"tunnels: fix out of bounds access when building IPv6 PMTU error","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T00:14:12.889Z"},"title":"CVE Program 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