CVE-2023-53421

blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats()

References

Debian security tracker
cve.org

Notes

 carnil> Introduced in 3b8cc6298724 ("blk-cgroup: Optimize blkcg_rstat_flush()")
 carnil> f73316482977 ("blk-cgroup: reimplement basic IO stats using cgroup rstat").
 carnil> Vulnerable versions: 5.5.

Bugs

Status

Branch	Status
upstream	released (6.5-rc1) [3d2af77e31ade05ff7ccc3658c3635ec1bea0979]
6.18-upstream-stable	N/A "Fixed before branching point"
6.17-upstream-stable	N/A "Fixed before branching point"
6.16-upstream-stable	N/A "Fixed before branching point"
6.12-upstream-stable	N/A "Fixed before branching point"
6.6-upstream-stable	N/A "Fixed before branching point"
6.1-upstream-stable	needed
5.10-upstream-stable	needed
sid	released (6.4.4-1)
6.12-trixie-security	N/A "Fixed before branching point"
6.1-bookworm-security	needed
5.10-bullseye-security	needed