CVE-2022-50328

Summary

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

jbd2: fix potential use-after-free in jbd2_fc_wait_bufs

In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxff780b91efe901b8eecd8114785abae5341820ad < 1d4d16daec2a6689b6d3fbfc7d2078643adc6619affected
LinuxLinuxff780b91efe901b8eecd8114785abae5341820ad < d11d2ded293976a1a0d9d9471827a44dc9e3c63faffected
LinuxLinuxff780b91efe901b8eecd8114785abae5341820ad < 2e6d9f381c1ed844531a577783fc352de7a44c8aaffected
LinuxLinuxff780b91efe901b8eecd8114785abae5341820ad < effd9b3c029ecdd853a11933dcf857f5a7ca8c3daffected
LinuxLinuxff780b91efe901b8eecd8114785abae5341820ad < 243d1a5d505d0b0460c9af0ad56ed4a56ef0bebdaffected
LinuxLinux5.10affected
LinuxLinux0 < 5.10unaffected
LinuxLinux5.10.150 <= 5.10.*unaffected
LinuxLinux5.15.75 <= 5.15.*unaffected
LinuxLinux5.19.17 <= 5.19.*unaffected
LinuxLinux6.0.3 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

References