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CVE-2026-45990

In the Linux kernel, the following vulnerability has been resolved: slub: fix data loss and overflow in krealloc() Commit 2cd8231796b5 ("mm/slub: allow to set node and align in k[v]realloc") introduced the ability to force a reallocation if the original object does not satisfy new alignment or NUMA node, even when the object is being shrunk. This introduced two bugs in the reallocation fallback path: 1. Data loss during NUMA migration: The jump to 'alloc_new' happens before 'ks' and 'orig
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2372be6b180b2488b9de6c95a75b745eaea7091720f7228eb7752ce43a8665cd
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":["mm/slub.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.27","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:557a71c9c85728ebc67820ae36b3f318c07feaeb1e0aad1bb98091ba8c69a042 · sha256:e96cf5c800976a88… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/slub.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"38387ccc0fbe38d14fb4c2ad7ee1d7404e5e59fd","status":"affected","version":"2cd8231796b5e7133b1c3d66ad7d2a3c42c97258","versionType":"git"},{"lessThan":"550fa6b5aabb096554536ac1e3ec96b76cbb35fd","status":"affected","version":"2cd8231796b5e7133b1c3d66ad7d2a3c42c97258","versionType":"git"},{"lessThan":"082a6d03a2d685a83a332666b500ad3966349588","status":"affected","version":"2cd8231796b5e7133b1c3d66ad7d2a3c42c9…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:557a71c9c85728ebc67820ae36b3f318c07feaeb1e0aad1bb98091ba8c69a042 · sha256:e96cf5c800976a88… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["mm/slub.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.27","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:557a71c9c85728ebc67820ae36b3f318c07feaeb1e0aad1bb98091ba8c69a042 · sha256:e96cf5c800976a88… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/slub.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"38387ccc0fbe38d14fb4c2ad7ee1d7404e5e59fd","status":"affected","version":"2cd8231796b5e7133b1c3d66ad7d2a3c42c97258","versionType":"git"},{"lessThan":"550fa6b5aabb096554536ac1e3ec96b76cbb35fd","status":"affected","version":"2cd8231796b5e7133b1c3d66ad7d2a3c42c97258","versionType":"git"},{"lessThan":"082a6d03a2d685a83a332666b500ad3966349588","status":"affected","version":"2cd8231796b5e7133b1c3d66ad7d2a3c42c9…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:557a71c9c85728ebc67820ae36b3f318c07feaeb1e0aad1bb98091ba8c69a042 · sha256:e96cf5c800976a88… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/082a6d03a2d685a83a332666b500ad3966349588"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:557a71c9c85728ebc67820ae36b3f318c07feaeb1e0aad1bb98091ba8c69a042 · sha256:e96cf5c800976a88… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/38387ccc0fbe38d14fb4c2ad7ee1d7404e5e59fd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:557a71c9c85728ebc67820ae36b3f318c07feaeb1e0aad1bb98091ba8c69a042 · sha256:e96cf5c800976a88… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/550fa6b5aabb096554536ac1e3ec96b76cbb35fd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:557a71c9c85728ebc67820ae36b3f318c07feaeb1e0aad1bb98091ba8c69a042 · sha256:e96cf5c800976a88… · /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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