Description
Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.
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://access.redhat.com/errata/RHSA-2018:3083 ↗
- http://www.securityfocus.com/bid/100215 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1481136 ↗
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15 ↗
- http://www.debian.org/security/2017/dsa-3981 ↗
- https://source.android.com/security/bulletin/2017-08-01 ↗
- https://github.com/torvalds/linux/commit/1e38da300e1e395a15048b0af1e5305bd91402f6 ↗
- https://www.exploit-db.com/exploits/43345/ ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6 ↗
- https://access.redhat.com/errata/RHSA-2018:3096 ↗
- https://access.redhat.com/errata/RHSA-2019:4058 ↗
- https://access.redhat.com/errata/RHSA-2019:4057 ↗
- https://access.redhat.com/errata/RHSA-2020:0036 ↗