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CVE-2026-45897

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_counter: serialize reset with spinlock Add a global static spinlock to serialize counter fetch+reset operations, preventing concurrent dump-and-reset from underrunning values. The lock is taken before fetching the total so that two parallel resets cannot both read the same counter values and then both subtract them. A global lock is used for simplicity since resets are infrequent. If this becomes a bottleneck,
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5c3d0560f8db14548fbaaf5fbbb3743614e78109346ff38f9c09a0c9c051ed3f
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":["net/netfilter/nft_counter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"less…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:89cd1bd4a2a22f6b677858193dae50fec021b7bcc5c05a977eb1db5e890a7fa3 · sha256:6e5ac10d48dbaf47… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nft_counter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"48cf7918d10c66cb6b05226fa3fa5daf0c891089","status":"affected","version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","versionType":"git"},{"lessThan":"cd968dcdec6aee79a2d399e4f6e0eca63c3b45e1","status":"affected","version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","versionType":"git"},{"lessThan":"0cdc6d5a26f2d1f7f15a43526841b679445c32e2","status":"affected","version":"3cb03edb4de33fd04c…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:89cd1bd4a2a22f6b677858193dae50fec021b7bcc5c05a977eb1db5e890a7fa3 · sha256:6e5ac10d48dbaf47… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nft_counter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"less…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:89cd1bd4a2a22f6b677858193dae50fec021b7bcc5c05a977eb1db5e890a7fa3 · sha256:6e5ac10d48dbaf47… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nft_counter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"48cf7918d10c66cb6b05226fa3fa5daf0c891089","status":"affected","version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","versionType":"git"},{"lessThan":"cd968dcdec6aee79a2d399e4f6e0eca63c3b45e1","status":"affected","version":"3cb03edb4de33fd04c4ea55f47397b96a8657c53","versionType":"git"},{"lessThan":"0cdc6d5a26f2d1f7f15a43526841b679445c32e2","status":"affected","version":"3cb03edb4de33fd04c…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:89cd1bd4a2a22f6b677858193dae50fec021b7bcc5c05a977eb1db5e890a7fa3 · sha256:6e5ac10d48dbaf47… · /containers/cna/affected/0

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/0cdc6d5a26f2d1f7f15a43526841b679445c32e2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:89cd1bd4a2a22f6b677858193dae50fec021b7bcc5c05a977eb1db5e890a7fa3 · sha256:6e5ac10d48dbaf47… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/48cf7918d10c66cb6b05226fa3fa5daf0c891089"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:89cd1bd4a2a22f6b677858193dae50fec021b7bcc5c05a977eb1db5e890a7fa3 · sha256:6e5ac10d48dbaf47… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/779c60a5190c42689534172f4b49e927c9959e4e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:89cd1bd4a2a22f6b677858193dae50fec021b7bcc5c05a977eb1db5e890a7fa3 · sha256:6e5ac10d48dbaf47… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/cd968dcdec6aee79a2d399e4f6e0eca63c3b45e1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:89cd1bd4a2a22f6b677858193dae50fec021b7bcc5c05a977eb1db5e890a7fa3 · sha256:6e5ac10d48dbaf47… · /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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