{"id":"CVE-2024-26643","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-26643","generatedAt":"2026-10-28T02:15:21.216Z","title":"In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout While the rhashtable set gc runs asynchronously, a race allows it to collect elements from anonymous…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout\n\nWhile the rhashtable set gc runs asynchronously, a race allows it to\ncollect elements from anonymous sets with timeouts while it is being\nreleased from the commit path.\n\nMingi Cho originally reported this issue in a different path in 6.1.x\nwith a pipapo set with low timeouts which is not possible upstream since\n7395dfacfff6 (\"netfilter: nf_tables: use timestamp to check for set\nelement timeout\").\n\nFix this by setting on the dead flag for anonymous sets to skip async gc\nin this case.\n\nAccording to 08e4c8c5919f (\"netfilter: nf_tables: mark newset as dead on\ntransaction abort\"), Florian plans to accelerate abort path by releasing\nobjects via workqueue, therefore, this sets on the dead flag for abort\npath too.","published":"2024-03-21T11:15:28.000Z","lastModified":"2026-10-15T01:17:21.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-667"],"affected":["linux/linux kernel","debian/debian linux"],"epss":{"score":0.00204,"percentile":0.10232,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/291cca35818bd52a407bc37ab45a15816039e363","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/406b0241d0eb598a0b330ab20ae325537d8d8163","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5224afbc30c3ca9ba23e752f0f138729b2c48dd8","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/552705a3650bbf46a22b1adedc1b04181490fc36","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b2d6f9a5b1cf968f1eaa71085ceeb09c2cb276b1","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d75a589bb92af1abf3b779cfcd1977ca11b27033","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e2d45f467096e931044f0ab7634499879d851a5c","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/edcf1a3f182ecf8b6b805f0ce90570ea98c5f6bf","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/291cca35818bd52a407bc37ab45a15816039e363","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/406b0241d0eb598a0b330ab20ae325537d8d8163","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/5224afbc30c3ca9ba23e752f0f138729b2c48dd8","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/552705a3650bbf46a22b1adedc1b04181490fc36","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/b2d6f9a5b1cf968f1eaa71085ceeb09c2cb276b1","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/d75a589bb92af1abf3b779cfcd1977ca11b27033","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/e2d45f467096e931044f0ab7634499879d851a5c","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/edcf1a3f182ecf8b6b805f0ce90570ea98c5f6bf","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-26643","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}