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CVE-2026-31715

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix UAF caused by decrementing sbi->nr_pages[] in f2fs_write_end_io() The xfstests case "generic/107" and syzbot have both reported a NULL pointer dereference. The concurrent scenario that triggers the panic is as follows: F2FS_WB_CP_DATA write callback umount - f2fs_write_checkpoint - f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA)
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:79c4cb28f99f84210207f260968545133bac5fe5d9ca2b672b9e686bb154875c
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":["fs/f2fs/data.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7dbdab4430e4654db9aacef12b9b3b8b29ca25cb","status":"affected","version":"50fa53eccf9f911a5b435248a2b0bd484fd82e5e","versionType":"git"},{"lessThan":"ffb94770dbdfb5411be5d9f44a960b010ec890ad","status":"affected","version":"50fa53eccf9f911a5b435248a2b0bd484fd82e5e","versionType":"git"},{"lessThan":"0d40b26377f891e6dcb6efaf8ef9374c99be1b1d","status":"affected","version":"50fa53eccf9f911a5b435248a2b0bd4…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/f2fs/data.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":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqua…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/f2fs/data.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7dbdab4430e4654db9aacef12b9b3b8b29ca25cb","status":"affected","version":"50fa53eccf9f911a5b435248a2b0bd484fd82e5e","versionType":"git"},{"lessThan":"ffb94770dbdfb5411be5d9f44a960b010ec890ad","status":"affected","version":"50fa53eccf9f911a5b435248a2b0bd484fd82e5e","versionType":"git"},{"lessThan":"0d40b26377f891e6dcb6efaf8ef9374c99be1b1d","status":"affected","version":"50fa53eccf9f911a5b435248a2b0bd4…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/f2fs/data.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":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqua…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/affected/1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/0d40b26377f891e6dcb6efaf8ef9374c99be1b1d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/1171f329cf1c175321251ac40fd126150d7ad1e8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/188bb65f247a7a7c62f287c9a263aee3cad96fa5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/2d9c4a4ed4eef1f82c5b16b037aee8bad819fd53"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/7be222de96c0f9eee6e65eeb017ef855ee185cfa"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/7dbdab4430e4654db9aacef12b9b3b8b29ca25cb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/963d2e24d9d92a31e6773b0f642214f10013ebf7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/ffb94770dbdfb5411be5d9f44a960b010ec890ad"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:212d1dcbd9c320c4bf298c2807741fdb06068b04ec5de0b33e50532f56751026 · sha256:d60cf16c5d6d26e4… · /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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