CVE Explorer

CVE-2026-52919

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix tp_meter counter underflow during shutdown batadv_tp_sender_shutdown() unconditionally decrements the "sending" atomic counter. If multiple paths (e.g. timeout, user cancel, and normal finish) call this function, the counter can underflow to -1. Since the sender logic treats any non-zero value as "still sending", a negative value causes the sender kthread to loop indefinitely. This leads to a use-after-free wh

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:01f30fe53f37c16eff9a1c38a7ff71218d1802ee8b3f67a4d7cb0bc8d73c65a5

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/batman-adv/tp_meter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e75e2ab463b5b34df6b98f94d740aff327ce9f6b","status":"affected","version":"33a3bb4a3345bb511f9c69c913da95d4693e2a4e","versionType":"git"},{"lessThan":"abae88fa254f2981d39ac003a7b302528a22af64","status":"affected","version":"33a3bb4a3345bb511f9c69c913da95d4693e2a4e","versionType":"git"},{"lessThan":"c66d20a3ff095e3f000551d208ec2606616db15c","status":"affected","version":"33a3bb4a3345bb511f9c…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/batman-adv/tp_meter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.8"},{"lessThan":"4.8","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"},{"lessT…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions

{"url":"https://git.kernel.org/stable/c/01cefc5923889e29dbb5f281c3d457714ceb9c00"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/90ae3eae06b7b8ab9f6250b9497c860915b4c17b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/94f3b133168d1c49895e7cc6afbcf1cc0b354602"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/references/7

{"url":"https://git.kernel.org/stable/c/abae88fa254f2981d39ac003a7b302528a22af64"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/aeae11c5dad9cd0d50723890bdd866f8e6db2e7d"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/references/6

{"url":"https://git.kernel.org/stable/c/c1bac194733aabd731aafa6a01350c229e187dba"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/c66d20a3ff095e3f000551d208ec2606616db15c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/e75e2ab463b5b34df6b98f94d740aff327ce9f6b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fcabaea7333665d8271565cf6c2f6071290c7470398514e268dff70b87d81dec · sha256:bd9753fe3a338c35… · /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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