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CVE-2026-23001

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlan_forward_source() Add RCU protection on (struct macvlan_source_entry)->vlan. Whenever macvlan_hash_del_source() is called, we must clear entry->vlan pointer before RCU grace period starts. This allows macvlan_forward_source() to skip over entries queued for freeing. Note that macvlan_dev are already RCU protected, as they are embedded in a standard netdev (netdev_priv(ndev)). https: //lo
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2c8fb89e0bd8ea221fbe86136b7931bd3db173c97f4a48e9d934c1ac498d2735
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/macvlan.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.18"},{"lessThan":"3.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.249","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.199","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.162","versionType":"semver"},{"lessTha…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/macvlan.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8133e85b8a3ec9f10d861e0002ec6037256e987e","status":"affected","version":"79cf79abce71eb7dbc40e2f3121048ca5405cb47","versionType":"git"},{"lessThan":"484919832e2db6ce1e8add92c469e5d459a516b5","status":"affected","version":"79cf79abce71eb7dbc40e2f3121048ca5405cb47","versionType":"git"},{"lessThan":"232afc74a6dde0fe1830988e5827921f5ec9bb3f","status":"affected","version":"79cf79abce71eb7dbc40e2f3…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/macvlan.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.18"},{"lessThan":"3.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.249","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.199","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.162","versionType":"semver"},{"lessTha…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/macvlan.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8133e85b8a3ec9f10d861e0002ec6037256e987e","status":"affected","version":"79cf79abce71eb7dbc40e2f3121048ca5405cb47","versionType":"git"},{"lessThan":"484919832e2db6ce1e8add92c469e5d459a516b5","status":"affected","version":"79cf79abce71eb7dbc40e2f3121048ca5405cb47","versionType":"git"},{"lessThan":"232afc74a6dde0fe1830988e5827921f5ec9bb3f","status":"affected","version":"79cf79abce71eb7dbc40e2f3…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/metrics/0/cvssV3_1

Source references

7 source assertions
{"url":"https://git.kernel.org/stable/c/15f6faf36e162532bec5cc05eb3fc622108bf2ed"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/232afc74a6dde0fe1830988e5827921f5ec9bb3f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/484919832e2db6ce1e8add92c469e5d459a516b5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/6dbead9c7677186f22b7981dd085a0feec1f038e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/7470a7a63dc162f07c26dbf960e41ee1e248d80e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/8133e85b8a3ec9f10d861e0002ec6037256e987e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/8518712a2ca952d6da2238c6f0a16b4ae5ea3f13"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ca2865549b39777434a1ac03408b57c4a221df09c67b7c1ab6cc95e1527d983d · sha256:0d89c9118f345ec6… · /containers/cna/references/4

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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