CVE-2017-18202
The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel before 4.14.4 mishandles gather operations, which allows attackers to cause a denial of service (TLB entry leak or use-after-free) or possibly have unspecified other impact by…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel before 4.14.4 mishandles gather operations, which allows attackers to cause a denial of service (TLB entry leak or use-after-free) or possibly have unspecified other impact by triggering a copy_to_user call within a certain time window.
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.38% probability · 31th 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=687cb0884a714ff484d038e9190edc874edcf146Patch, Vendor Advisory
- http://www.securityfocus.com/bid/103161Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2772Third Party Advisory
- https://github.com/torvalds/linux/commit/687cb0884a714ff484d038e9190edc874edcf146Patch, Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=687cb0884a714ff484d038e9190edc874edcf146Patch, Vendor Advisory
- http://www.securityfocus.com/bid/103161Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2772Third Party Advisory
- https://github.com/torvalds/linux/commit/687cb0884a714ff484d038e9190edc874edcf146Patch, Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.