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CVE-2026-46279

In the Linux kernel, the following vulnerability has been resolved: mm/alloc_tag: clear codetag for pages allocated before page_ext initialization Due to initialization ordering, page_ext is allocated and initialized relatively late during boot. Some pages have already been allocated and freed before page_ext becomes available, leaving their codetag uninitialized. A clear example is in init_section_page_ext(): alloc_page_ext() calls kmemleak_alloc(). If the slab cache has no free objects, i
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:82000518c6bdd0de5d682aa29ab735ac7fd2989d506390cb1c7156694113e282
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/linux/alloc_tag.h","include/linux/pgalloc_tag.h","lib/alloc_tag.c","mm/page_alloc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d5b495ba9de0423ef39f8bd86729a885870c7efe","status":"affected","version":"dcfe378c81f72f146890ce1dcfdcc742d3b66924","versionType":"git"},{"lessThan":"b49dfabc38cad5e50af24f63edd124a10de3ebb6","status":"affected","version":"dcfe378c81f72f146890ce1dcfdcc742d3b66924","versionType":"git"},{"lessThan":"6b1842775a460245e97d36d3a67…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:64d210319273b27fe57d331861b12306d12394b574fae6ba4a91a8721abdb929 · sha256:1abf302d13cafdc2… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["include/linux/alloc_tag.h","include/linux/pgalloc_tag.h","lib/alloc_tag.c","mm/page_alloc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.10"},{"lessThan":"6.10","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":"unaf…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:64d210319273b27fe57d331861b12306d12394b574fae6ba4a91a8721abdb929 · sha256:1abf302d13cafdc2… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/linux/alloc_tag.h","include/linux/pgalloc_tag.h","lib/alloc_tag.c","mm/page_alloc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d5b495ba9de0423ef39f8bd86729a885870c7efe","status":"affected","version":"dcfe378c81f72f146890ce1dcfdcc742d3b66924","versionType":"git"},{"lessThan":"b49dfabc38cad5e50af24f63edd124a10de3ebb6","status":"affected","version":"dcfe378c81f72f146890ce1dcfdcc742d3b66924","versionType":"git"},{"lessThan":"6b1842775a460245e97d36d3a67…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:64d210319273b27fe57d331861b12306d12394b574fae6ba4a91a8721abdb929 · sha256:1abf302d13cafdc2… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["include/linux/alloc_tag.h","include/linux/pgalloc_tag.h","lib/alloc_tag.c","mm/page_alloc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.10"},{"lessThan":"6.10","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":"unaf…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:64d210319273b27fe57d331861b12306d12394b574fae6ba4a91a8721abdb929 · sha256:1abf302d13cafdc2… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/6b1842775a460245e97d36d3a67d0cfba7c4ff79"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64d210319273b27fe57d331861b12306d12394b574fae6ba4a91a8721abdb929 · sha256:1abf302d13cafdc2… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/b49dfabc38cad5e50af24f63edd124a10de3ebb6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64d210319273b27fe57d331861b12306d12394b574fae6ba4a91a8721abdb929 · sha256:1abf302d13cafdc2… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/d5b495ba9de0423ef39f8bd86729a885870c7efe"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64d210319273b27fe57d331861b12306d12394b574fae6ba4a91a8721abdb929 · sha256:1abf302d13cafdc2… · /containers/cna/references/0

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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