CVE-2017-14954

Source
Severity Medium
Remote No
Type Information disclosure
Description
The waitid implementation in kernel/exit.c in the Linux kernel through 4.13.4 accesses rusage data structures in unintended cases, which allows local users to obtain sensitive information, and bypass the KASLR protection mechanism, via a crafted system call.
Group Package Affected Fixed Severity Status Ticket
AVG-431 linux-lts 4.9.55-1 4.9.56-1 Medium Not affected
AVG-430 linux-hardened 4.13.4.a-1 4.13.5.a-1 Medium Fixed
AVG-429 linux-zen 4.13.4-1 4.13.5-1 Medium Fixed
AVG-428 linux 4.13.4-1 4.13.5-1 Medium Fixed
References
https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c
Notes
Introduced in https://github.com/torvalds/linux/commit/7e95a225901a5d2fd140f14b4302805cecc22da7