CVE-2022-49443

list: fix a data-race around ep->rdllist

References

Notes

 carnil> Introduced in e59d3c64cba6 ("epoll: eliminate unnecessary lock for zero
 carnil> timeout")
 carnil> c5a282e9635e ("fs/epoll: reduce the scope of wq lock in epoll_wait()")
 carnil> bf3b9f6372c4 ("epoll: Add busy poll support to epoll with socket fds.").
 carnil> Vulnerable versions: 4.12-rc1.

Bugs

Status

Branch Status
upstream released (5.19-rc1) [d679ae94fdd5d3ab00c35078f5af5f37e068b03d]
6.18-upstream-stable N/A "Fixed before branching point"
6.17-upstream-stable N/A "Fixed before branching point"
6.13-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 N/A "Fixed before branching point"
5.10-upstream-stable needed
sid released (5.18.5-1)
6.12-trixie-security N/A "Fixed before branching point"
6.1-bookworm-security N/A "Fixed before branching point"
5.10-bullseye-security needed