CVE-2017-17052
The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the ->exe_file member of a new process's mm_struct, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the ->exe_file member of a new process's mm_struct, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.37% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b7e8665b4ff51c034c55df3cff76518d1a9ee3aIssue Tracking, Patch
- http://www.securityfocus.com/bid/102009Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/2b7e8665b4ff51c034c55df3cff76518d1a9ee3aPatch
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10Issue Tracking
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b7e8665b4ff51c034c55df3cff76518d1a9ee3aIssue Tracking, Patch
- http://www.securityfocus.com/bid/102009Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/2b7e8665b4ff51c034c55df3cff76518d1a9ee3aPatch
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.