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CVE-2026-23316

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix ARM64 alignment fault in multipath hash seed `struct sysctl_fib_multipath_hash_seed` contains two u32 fields (user_seed and mp_seed), making it an 8-byte structure with a 4-byte alignment requirement. In `fib_multipath_hash_from_keys()`, the code evaluates the entire struct atomically via `READ_ONCE()`: mp_seed = READ_ONCE(net->ipv4.sysctl_fib_multipath_hash_seed).mp_seed; While this silently works on GCC
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:251fd614b5bb156554f6e31d45c6a32f6f3e3993cc302f97a8c12bbc368f3eda
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":"unaffected","product":"Linux","programFiles":["include/net/ip_fib.h","net/ipv4/sysctl_net_ipv4.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4bdc94d45d5459f0149085dfc1efe733c8e14f11","status":"affected","version":"4ee2a8cace3fb9a34aea6a56426f89d26dd514f3","versionType":"git"},{"lessThan":"7e4ad34a8889a6a9e0f6cc7c55d02161fe31a199","status":"affected","version":"4ee2a8cace3fb9a34aea6a56426f89d26dd514f3","versionType":"git"},{"lessThan":"607e923a3c1b2120de430b3dcde25ed8ad213c0a","status":"affected","versio…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:84f7a6c039d79bbe8056f951a10054f86e7526fb9fa8c6512869925f5254ec5d · sha256:aac42c1868cac126… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/ip_fib.h","net/ipv4/sysctl_net_ipv4.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.77","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versio…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:84f7a6c039d79bbe8056f951a10054f86e7526fb9fa8c6512869925f5254ec5d · sha256:aac42c1868cac126… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/ip_fib.h","net/ipv4/sysctl_net_ipv4.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4bdc94d45d5459f0149085dfc1efe733c8e14f11","status":"affected","version":"4ee2a8cace3fb9a34aea6a56426f89d26dd514f3","versionType":"git"},{"lessThan":"7e4ad34a8889a6a9e0f6cc7c55d02161fe31a199","status":"affected","version":"4ee2a8cace3fb9a34aea6a56426f89d26dd514f3","versionType":"git"},{"lessThan":"607e923a3c1b2120de430b3dcde25ed8ad213c0a","status":"affected","versio…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:84f7a6c039d79bbe8056f951a10054f86e7526fb9fa8c6512869925f5254ec5d · sha256:aac42c1868cac126… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/ip_fib.h","net/ipv4/sysctl_net_ipv4.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.77","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versio…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:84f7a6c039d79bbe8056f951a10054f86e7526fb9fa8c6512869925f5254ec5d · sha256:aac42c1868cac126… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/4bdc94d45d5459f0149085dfc1efe733c8e14f11"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:84f7a6c039d79bbe8056f951a10054f86e7526fb9fa8c6512869925f5254ec5d · sha256:aac42c1868cac126… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/4ee7fa6cf78ff26d783d39e2949d14c4c1cd5e7f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:84f7a6c039d79bbe8056f951a10054f86e7526fb9fa8c6512869925f5254ec5d · sha256:aac42c1868cac126… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/607e923a3c1b2120de430b3dcde25ed8ad213c0a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:84f7a6c039d79bbe8056f951a10054f86e7526fb9fa8c6512869925f5254ec5d · sha256:aac42c1868cac126… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/7e4ad34a8889a6a9e0f6cc7c55d02161fe31a199"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:84f7a6c039d79bbe8056f951a10054f86e7526fb9fa8c6512869925f5254ec5d · sha256:aac42c1868cac126… · /containers/cna/references/1

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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