CVE Explorer

CVE-2026-63797

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Fix use-after-free on probe error path rpmsg_chrdev_probe() stores the newly allocated eptdev in the default endpoint's priv pointer before calling rpmsg_chrdev_eptdev_add(). If rpmsg_chrdev_eptdev_add() then fails, its error path frees eptdev while the default endpoint may still dispatch callbacks with the stale priv pointer. Avoid publishing eptdev through the default endpoint until rpmsg_chrdev_eptdev_add() su

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c351be48bd3793cae0c3c763ed2dd88767bf6001c5bd398407f563a24e469378

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/rpmsg/rpmsg_char.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.18"},{"lessThan":"5.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.144","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.95","versionType":"semver"},{"lessT…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/rpmsg/rpmsg_char.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1306fc4f76f765727a6d5aefbf08ef0c8f32996f","status":"affected","version":"bc69d10665690492421d926b1cd9a7a36bffd691","versionType":"git"},{"lessThan":"ddf13f91ca82c94ef7ad9c41a434a03313f8eb1b","status":"affected","version":"bc69d10665690492421d926b1cd9a7a36bffd691","versionType":"git"},{"lessThan":"c5ebb06c7e24d531b68707168e04698859d642bc","status":"affected","version":"bc69d10665690492421…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":8.4,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/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:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions

{"url":"https://git.kernel.org/stable/c/104d100212396801f1d9d388282f746e23e2bfd6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/1306fc4f76f765727a6d5aefbf08ef0c8f32996f"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/1ff3f528e67d20e2b1483dcaba899dc7832b2e6b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/c5ebb06c7e24d531b68707168e04698859d642bc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/ddf13f91ca82c94ef7ad9c41a434a03313f8eb1b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/ff268cd9ccbce6472a0658791b417bf11c31ee39"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:673b63b95279f46b7d9ad421eaf9a2246a1858e994bf4d794bca3a4ba67d95d1 · sha256:d86d14dcaa166775… · /containers/cna/references/4

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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