Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-31686

In the Linux kernel, the following vulnerability has been resolved: mm/kasan: fix double free for kasan pXds kasan_free_pxd() assumes the page table is always struct page aligned. But that's not always the case for all architectures. E.g. In case of powerpc with 64K pagesize, PUD table (of size 4096) comes from slab cache named pgtable-2^9. Hence instead of page_to_virt(pxd_page()) let's just directly pass the start of the pxd table which is passed as the 1st argument. This fixes the belo
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7a7ecd38fce0c6f9e54ad3de5930462b15478ff718424517b06acd69c1f3ab89
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/kasan/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.19"},{"lessThan":"4.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqu…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/kasan/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7d7b2d5c107a1f6302cf0006d859985e7c3ddd1c","status":"affected","version":"0207df4fa1a869281ddbf72db6203dbf036b3e1a","versionType":"git"},{"lessThan":"3298bdf5a878ded06351eb293856fa84e050029e","status":"affected","version":"0207df4fa1a869281ddbf72db6203dbf036b3e1a","versionType":"git"},{"lessThan":"2277246ea265cdca64ce6fdea4b26cd6ff0ec4db","status":"affected","version":"0207df4fa1a869281ddbf72db6203d…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["mm/kasan/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.19"},{"lessThan":"4.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqu…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/kasan/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7d7b2d5c107a1f6302cf0006d859985e7c3ddd1c","status":"affected","version":"0207df4fa1a869281ddbf72db6203dbf036b3e1a","versionType":"git"},{"lessThan":"3298bdf5a878ded06351eb293856fa84e050029e","status":"affected","version":"0207df4fa1a869281ddbf72db6203dbf036b3e1a","versionType":"git"},{"lessThan":"2277246ea265cdca64ce6fdea4b26cd6ff0ec4db","status":"affected","version":"0207df4fa1a869281ddbf72db6203d…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/affected/0

Source references

9 source assertions
{"url":"https://git.kernel.org/stable/c/2277246ea265cdca64ce6fdea4b26cd6ff0ec4db"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/3298bdf5a878ded06351eb293856fa84e050029e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/51d8c78be0c27ddb91bc2c0263941d8b30a47d3b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/references/8
{"url":"https://git.kernel.org/stable/c/7d7b2d5c107a1f6302cf0006d859985e7c3ddd1c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/85d98614e089a67dc6faa8ca766fe10a639f82b4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/a05f77cb227c39c5069aea6f12762a29d1e6c103"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/b38237a2ea9c6c19836eee2c57037e1f9f103576"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/cec74b2ab7dff866b1d77eaa545b9e8fd14a1f87"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/f6204f7ff6aff62ce6242a76982c5ba3a9ded707"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff25cda9a626bff2aefffdafff709af0c617837269d8dbf48f5f3c61e527d589 · sha256:7620194a47cd01d7… · /containers/cna/references/5

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.

← Back to CVE Explorer