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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 triggering a copy_to_user call within a certain time window.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.6 < 4.9.68
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.38% 0.298
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=687cb0884a714ff484d038e9190edc874edcf146
Patch
Vendor Advisory
http://www.securityfocus.com/bid/103161
Third Party Advisory
VDB Entry
https://access.redhat.com/errata/RHSA-2018:2772
Third Party Advisory
https://github.com/torvalds/linux/commit/687cb0884a714ff484d038e9190edc874edcf146
Patch
Third Party Advisory
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4
Vendor Advisory