CVE-2024-26602

sched/membarrier: reduce the ability to hammer on sys_membarrier

References

Notes

 carnil> Introduced in 22e4ebb97582 ("membarrier: Provide expedited private command")
 carnil> c5f58bd58f43 ("membarrier: Provide GLOBAL_EXPEDITED command"). Vulnerable
 carnil> versions: 4.14-rc1 4.16-rc1.

Bugs

Status

Branch Status
4.19-buster-security pending (4.19.309-1)
4.19-upstream-stable released (4.19.307) [3cd139875e9a7688b3fc715264032620812a5fa3]
5.10-bullseye-security released (5.10.216-1)
5.10-upstream-stable released (5.10.210) [db896bbe4a9c67cee377e5f6a743350d3ae4acf6]
6.1-bookworm-security released (6.1.82-1)
6.1-upstream-stable released (6.1.79) [24ec7504a08a67247fbe798d1de995208a8c128a]
6.6-upstream-stable released (6.6.18) [b6a2a9cbb67545c825ec95f06adb7ff300a2ad71]
6.8-upstream-stable N/A "Fixed before branching point"
sid released (6.7.7-1)
upstream released (6.8-rc6) [944d5fe50f3f03daacfea16300e656a1691c4a23]