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CVE-2026-31459

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: fix param_ctx leak on damon_sysfs_new_test_ctx() failure Patch series "mm/damon/sysfs: fix memory leak and NULL dereference issues", v4. DAMON_SYSFS can leak memory under allocation failure, and do NULL pointer dereference when a privileged user make wrong sequences of control. Fix those. This patch (of 3): When damon_sysfs_new_test_ctx() fails in damon_sysfs_commit_input(), param_ctx is leaked because the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f9636f761ea3812efb7f0162cfba90fb141e671e0469d94c40a495e4aec6ef39
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":["mm/damon/sysfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e9de9f3ce06b133a348006668bc8d25c6e504867","status":"affected","version":"f0c5118ebb0eb7e4fd6f0d2ace3315ca141b317f","versionType":"git"},{"lessThan":"f76f0a964bc3d7b7e253b43c669c41356bc54e71","status":"affected","version":"f0c5118ebb0eb7e4fd6f0d2ace3315ca141b317f","versionType":"git"},{"lessThan":"7fe000eb32904758a85e62f6ea9483f89d5dabfc","status":"affected","version":"f0c5118ebb0eb7e4fd6f0d2ace331…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7c274b280639a4e403e2ed3927e32b4a561d7bb2ac9302e4d7b67507729f2585 · sha256:59da487859b07fb0… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["mm/damon/sysfs.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":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7c274b280639a4e403e2ed3927e32b4a561d7bb2ac9302e4d7b67507729f2585 · sha256:59da487859b07fb0… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/damon/sysfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e9de9f3ce06b133a348006668bc8d25c6e504867","status":"affected","version":"f0c5118ebb0eb7e4fd6f0d2ace3315ca141b317f","versionType":"git"},{"lessThan":"f76f0a964bc3d7b7e253b43c669c41356bc54e71","status":"affected","version":"f0c5118ebb0eb7e4fd6f0d2ace3315ca141b317f","versionType":"git"},{"lessThan":"7fe000eb32904758a85e62f6ea9483f89d5dabfc","status":"affected","version":"f0c5118ebb0eb7e4fd6f0d2ace331…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7c274b280639a4e403e2ed3927e32b4a561d7bb2ac9302e4d7b67507729f2585 · sha256:59da487859b07fb0… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["mm/damon/sysfs.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":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7c274b280639a4e403e2ed3927e32b4a561d7bb2ac9302e4d7b67507729f2585 · sha256:59da487859b07fb0… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/7fe000eb32904758a85e62f6ea9483f89d5dabfc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7c274b280639a4e403e2ed3927e32b4a561d7bb2ac9302e4d7b67507729f2585 · sha256:59da487859b07fb0… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/e9de9f3ce06b133a348006668bc8d25c6e504867"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7c274b280639a4e403e2ed3927e32b4a561d7bb2ac9302e4d7b67507729f2585 · sha256:59da487859b07fb0… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/f76f0a964bc3d7b7e253b43c669c41356bc54e71"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7c274b280639a4e403e2ed3927e32b4a561d7bb2ac9302e4d7b67507729f2585 · sha256:59da487859b07fb0… · /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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