6.4

CVE-2020-25285

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.8.8
Debian ≫ Debian Linux Version9.0
Canonical ≫ Ubuntu Linux Version14.04 SwEditionesm
Canonical ≫ Ubuntu Linux Version16.04 SwEditionesm
Canonical ≫ Ubuntu Linux Version18.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version20.04 SwEditionlts
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.27% 0.187
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.4 0.5 5.9
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 4.4 3.4 6.4
AV:L/AC:M/Au:N/C:P/I:P/A:P
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://usn.ubuntu.com/4579-1/
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
Third Party Advisory
Mailing List
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8
Vendor Advisory
Release Notes
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467
Patch
Vendor Advisory
https://security.netapp.com/advisory/ntap-20201009-0002/
Third Party Advisory
https://twitter.com/grsecurity/status/1303749848898904067
Third Party Advisory
https://usn.ubuntu.com/4576-1/
Third Party Advisory