Description
hw/9pfs/cofile.c and hw/9pfs/9p.c in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html ↗
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.html ↗
- https://usn.ubuntu.com/3826-1/ ↗
- http://www.openwall.com/lists/oss-security/2018/11/20/1 ↗
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.html ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/ ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html ↗
- https://www.debian.org/security/2019/dsa-4454 ↗
- https://seclists.org/bugtraq/2019/May/76 ↗