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CVE-2026-31741

In the Linux kernel, the following vulnerability has been resolved: counter: rz-mtu3-cnt: prevent counter from being toggled multiple times Runtime PM counter is incremented / decremented each time the sysfs enable file is written to. If user writes 0 to the sysfs enable file multiple times, runtime PM usage count underflows, generating the following message. rz-mtu3-counter rz-mtu3-counter.0: Runtime PM usage count underflow! At the same time, hardware registers end up being accessed with
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:81c366735230403532dc069e82c5363918517fc4d7ef6a5e4e51ce98fe58223d
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":["drivers/counter/rz-mtu3-cnt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.81","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.22","versionType":"semver"},{"les…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d5a7e42c5c018b8f7e12020702b7bdc9ff357b7012b98a11dce8bfd0593e1e8 · sha256:9713b7dcd994ffcd… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/counter/rz-mtu3-cnt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"885aa739a07ab45e90dfa997205acec97979ce4e","status":"affected","version":"0be8907359df4c62319f5cb2c6981ff0d9ebf35a","versionType":"git"},{"lessThan":"ced8b48420eddb1251f93c22dc23fa136490b3cd","status":"affected","version":"0be8907359df4c62319f5cb2c6981ff0d9ebf35a","versionType":"git"},{"lessThan":"e07237df8538b0ae98dce112e4f6db093d767f80","status":"affected","version":"0be8907359df4c62…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d5a7e42c5c018b8f7e12020702b7bdc9ff357b7012b98a11dce8bfd0593e1e8 · sha256:9713b7dcd994ffcd… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/counter/rz-mtu3-cnt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.81","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.22","versionType":"semver"},{"les…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d5a7e42c5c018b8f7e12020702b7bdc9ff357b7012b98a11dce8bfd0593e1e8 · sha256:9713b7dcd994ffcd… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/counter/rz-mtu3-cnt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"885aa739a07ab45e90dfa997205acec97979ce4e","status":"affected","version":"0be8907359df4c62319f5cb2c6981ff0d9ebf35a","versionType":"git"},{"lessThan":"ced8b48420eddb1251f93c22dc23fa136490b3cd","status":"affected","version":"0be8907359df4c62319f5cb2c6981ff0d9ebf35a","versionType":"git"},{"lessThan":"e07237df8538b0ae98dce112e4f6db093d767f80","status":"affected","version":"0be8907359df4c62…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d5a7e42c5c018b8f7e12020702b7bdc9ff357b7012b98a11dce8bfd0593e1e8 · sha256:9713b7dcd994ffcd… · /containers/cna/affected/0

Source references

5 source assertions
{"url":"https://git.kernel.org/stable/c/67c3f99bed6f422ba343d2b70a2eeeccdfd91bef"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d5a7e42c5c018b8f7e12020702b7bdc9ff357b7012b98a11dce8bfd0593e1e8 · sha256:9713b7dcd994ffcd… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/885aa739a07ab45e90dfa997205acec97979ce4e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d5a7e42c5c018b8f7e12020702b7bdc9ff357b7012b98a11dce8bfd0593e1e8 · sha256:9713b7dcd994ffcd… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ced8b48420eddb1251f93c22dc23fa136490b3cd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d5a7e42c5c018b8f7e12020702b7bdc9ff357b7012b98a11dce8bfd0593e1e8 · sha256:9713b7dcd994ffcd… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e07237df8538b0ae98dce112e4f6db093d767f80"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d5a7e42c5c018b8f7e12020702b7bdc9ff357b7012b98a11dce8bfd0593e1e8 · sha256:9713b7dcd994ffcd… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/f5f6f06d7e6d262026578b59ba7426eb04acce5d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d5a7e42c5c018b8f7e12020702b7bdc9ff357b7012b98a11dce8bfd0593e1e8 · sha256:9713b7dcd994ffcd… · /containers/cna/references/3

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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