CVE-2026-53296

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux8ea4484d0c2bb4e2152261943fa1a3522654b1c7 < 0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6baffected
LinuxLinux8ea4484d0c2bb4e2152261943fa1a3522654b1c7 < 15c4cc3850cfe1b973eb7b63c02314b267f06a64affected
LinuxLinux8ea4484d0c2bb4e2152261943fa1a3522654b1c7 < 187069ccc3474516af32350e20d7e449160fa6deaffected
LinuxLinux8ea4484d0c2bb4e2152261943fa1a3522654b1c7 < 81c9e7e4030e71391ab479c4c6e17b64802577aaaffected
LinuxLinux8ea4484d0c2bb4e2152261943fa1a3522654b1c7 < 6c6ce2ccb4fcf1617fec83f91b21aa0265f30701affected
LinuxLinux8ea4484d0c2bb4e2152261943fa1a3522654b1c7 < 742001919653e7313b4e91780c5d108be1692365affected
LinuxLinux8ea4484d0c2bb4e2152261943fa1a3522654b1c7 < 02beb178e2e159daeb8f992d7abb16a37da31664affected
LinuxLinux8ea4484d0c2bb4e2152261943fa1a3522654b1c7 < c02053a9055d5fdfd32432287cca8958db1d5bc5affected
LinuxLinux4.4affected
LinuxLinux0 < 4.4unaffected
LinuxLinux5.10.258 <= 5.10.*unaffected
LinuxLinux5.15.209 <= 5.15.*unaffected
LinuxLinux6.1.175 <= 6.1.*unaffected
LinuxLinux6.6.141 <= 6.6.*unaffected
LinuxLinux6.12.91 <= 6.12.*unaffected
LinuxLinux6.18.33 <= 6.18.*unaffected
LinuxLinux7.0.10 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References