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CVE-2026-53025

In the Linux kernel, the following vulnerability has been resolved: greybus: raw: fix use-after-free on cdev close This addresses a use-after-free bug when a raw bundle is disconnected but its chardev is still opened by an application. When the application releases the cdev, it causes the following panic when init on free is enabled (CONFIG_INIT_ON_FREE_DEFAULT_ON=y): refcount_t: underflow; use-after-free. WARNING: CPU: 0 PID: 139 at lib/refcount.c:28 refcount_warn_saturate+0x
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:be54c0a6b26c8f7476be404d3bc1c74ed2b3258e66ad6493f41f3969701a73e4
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/staging/greybus/raw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.9"},{"lessThan":"4.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb16a2ccc1833f9a60c70b324b9098b79b6c8e29e230c29f35887baca3561a7a · sha256:1ef3ebd24886dadd… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/staging/greybus/raw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ef2d97c15b19b3489de01695bce478601e236c3e","status":"affected","version":"e806c7fb8e9bae87fc23958c3789f2c2f96f54a4","versionType":"git"},{"lessThan":"983cc2c7efbce04ecbf6328448d895044dd6ab31","status":"affected","version":"e806c7fb8e9bae87fc23958c3789f2c2f96f54a4","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb16a2ccc1833f9a60c70b324b9098b79b6c8e29e230c29f35887baca3561a7a · sha256:1ef3ebd24886dadd… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/staging/greybus/raw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.9"},{"lessThan":"4.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb16a2ccc1833f9a60c70b324b9098b79b6c8e29e230c29f35887baca3561a7a · sha256:1ef3ebd24886dadd… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/staging/greybus/raw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ef2d97c15b19b3489de01695bce478601e236c3e","status":"affected","version":"e806c7fb8e9bae87fc23958c3789f2c2f96f54a4","versionType":"git"},{"lessThan":"983cc2c7efbce04ecbf6328448d895044dd6ab31","status":"affected","version":"e806c7fb8e9bae87fc23958c3789f2c2f96f54a4","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb16a2ccc1833f9a60c70b324b9098b79b6c8e29e230c29f35887baca3561a7a · sha256:1ef3ebd24886dadd… · /containers/cna/affected/0

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:cb16a2ccc1833f9a60c70b324b9098b79b6c8e29e230c29f35887baca3561a7a · sha256:1ef3ebd24886dadd… · /containers/cna/metrics/0/cvssV3_1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/983cc2c7efbce04ecbf6328448d895044dd6ab31"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb16a2ccc1833f9a60c70b324b9098b79b6c8e29e230c29f35887baca3561a7a · sha256:1ef3ebd24886dadd… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ef2d97c15b19b3489de01695bce478601e236c3e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb16a2ccc1833f9a60c70b324b9098b79b6c8e29e230c29f35887baca3561a7a · sha256:1ef3ebd24886dadd… · /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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