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CVE

CVE-2020-14386

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unp

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

MEDIUM · CVSS 6.7 EPSS 0.00635
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-250Execution with Unnecessary Privileges
CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

9
linux kernel>= 4.6 and < 4.9.239
linux kernel>= 4.10 and < 4.14.201
linux kernel>= 4.15 and < 4.19.150
linux kernel>= 4.20 and < 5.4.64
linux kernel>= 5.5 and < 5.8.8
linux kernelall versions
debian linuxall versions
fedoraproject fedoraall versions
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Kernel-Live-Patch-Security-Notice-LSN-0072-1.htmlpacketstormsecurity.com
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Sep 2020 · 01:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

30
suse-csafopenSUSE-SU-2024:10728-1
suse-csafopenSUSE-SU-2024:13704-1
suse-csafopenSUSE-SU-2021:0242-1
suse-csafSUSE-SU-2020:3204-1
suse-csafSUSE-SU-2020:3210-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.htmlMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/17/2Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/17/4Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/21/1Mailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14386Issue TrackingPatchThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acf69c946233259ab4d64f8869d4037a198c7f06PatchVendor Advisory
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