CVE-2022-49770

Summary

In the Linux kernel, the following vulnerability has been resolved:

ceph: avoid putting the realm twice when decoding snaps fails

When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random use-after-free, BUG_ON, etc issues.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux9030aaf9bf0a1eee47a154c316c789e959638b0f < 274e4c79a3a2a24fba7cfe0e41113f1138785c37affected
LinuxLinux9030aaf9bf0a1eee47a154c316c789e959638b0f < cb7495fe957526555782ce0723f79ce92a6db22eaffected
LinuxLinux9030aaf9bf0a1eee47a154c316c789e959638b0f < 044bc6d3c2c0e9090b0841e7b723875756534b45affected
LinuxLinux9030aaf9bf0a1eee47a154c316c789e959638b0f < 2f6e2de3a5289004650118b61f138fe7c28e1905affected
LinuxLinux9030aaf9bf0a1eee47a154c316c789e959638b0f < fd879c83e87735ab8f00ef7755752cf0cbae24b2affected
LinuxLinux9030aaf9bf0a1eee47a154c316c789e959638b0f < 51884d153f7ec85e18d607b2467820a90e0f4359affected
LinuxLinux2.6.34affected
LinuxLinux0 < 2.6.34unaffected
LinuxLinux4.19.268 <= 4.19.*unaffected
LinuxLinux5.4.226 <= 5.4.*unaffected
LinuxLinux5.10.157 <= 5.10.*unaffected
LinuxLinux5.15.81 <= 5.15.*unaffected
LinuxLinux6.0.10 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

References