CVE-2017-14954

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.

CVSS v3.0 NVD

5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0 NVD

2.1 LOWAV:L/AC:L/Au:N/C:P/I:N/A:N

EPSS

1.01% chance of exploitation in the next 30 days, 62nd percentile

Published

2017-10-01

Updated

2024-09-17

Proof-of-concept exploits (1)

• echo-devim/exploit_linux_kernel4.131★ · 2022-03-11

Security advisories

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c85501f2fabcfc…
• torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
• https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c
• https://twitter.com/_argp/status/914021130712870912
• https://twitter.com/grsecurity/status/914079864478666753

References

• CVE Record
• NVD entry

Related

• CVE-2017-18344
• CVE-2017-5123
• CVE-2022-48429