CVE-2026-53296
In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels. This not only prevents a leak, but also UAF scenarios because the client structure will be removed nonetheless because it was allocated with devm.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.13% probability · 3th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664Patch
- https://git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6bPatch
- https://git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64Patch
- https://git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6dePatch
- https://git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701Patch
- https://git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365Patch
- https://git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aaPatch
- https://git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.