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CVE-2026-53161

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix use-after-free of fastrpc_user in workqueue context There is a race between fastrpc_device_release() and the workqueue that processes DSP responses. When the user closes the file descriptor, fastrpc_device_release() frees the fastrpc_user structure. Concurrently, an in-flight DSP invocation can complete and fastrpc_rpmsg_callback() schedules context cleanup via schedule_work(&ctx->put_work). If the workqueue
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7780d95fc7bfece3f9764d90bf1cc7af0d84d3e4a5ff426c961ba818c4d93502
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":["drivers/misc/fastrpc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c6e5c2be09f814377d7f1ce97370a5b7b3e02814","status":"affected","version":"6cffd79504ce040f460831030d3069fa1c99bb71","versionType":"git"},{"lessThan":"e1e3a05efe5954d5bad01157d79429d39a67a7ae","status":"affected","version":"6cffd79504ce040f460831030d3069fa1c99bb71","versionType":"git"},{"lessThan":"d42679eef34dd590b694ce3b666c5e2ba10cd4bf","status":"affected","version":"6cffd79504ce040f4608310…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/misc/fastrpc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.1"},{"lessThan":"5.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThan…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/misc/fastrpc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c6e5c2be09f814377d7f1ce97370a5b7b3e02814","status":"affected","version":"6cffd79504ce040f460831030d3069fa1c99bb71","versionType":"git"},{"lessThan":"e1e3a05efe5954d5bad01157d79429d39a67a7ae","status":"affected","version":"6cffd79504ce040f460831030d3069fa1c99bb71","versionType":"git"},{"lessThan":"d42679eef34dd590b694ce3b666c5e2ba10cd4bf","status":"affected","version":"6cffd79504ce040f4608310…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/misc/fastrpc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.1"},{"lessThan":"5.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThan…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /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:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/5278ccd357e0d7aeeb1e76c0f3e0e02894a9897c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/c6e5c2be09f814377d7f1ce97370a5b7b3e02814"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/d42679eef34dd590b694ce3b666c5e2ba10cd4bf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/df08fadcf0e5f3708365ec3b6d30b5aafd98bea1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/e1e3a05efe5954d5bad01157d79429d39a67a7ae"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e85eb5feca8e254905ffa6c57a3c99c89a674a0f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/ecea4967c2bff92c2fafbc59893f711b39f7b152"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/fbe0947420eec18a84638d29468c2d563ce4e6a3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4806263a5620c9eb824797fdd3a2682c8ac82aa990d4483619700144abe6aadb · sha256:2a35e8c5d2c99648… · /containers/cna/references/6

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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