Vulnerability Details : 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 unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-14386
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.9.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.9.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.9.0:rc3:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-14386
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-14386
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
6.7
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
Red Hat, Inc. | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2020-14386
-
The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.Assigned by: secalert@redhat.com (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2020-14386
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14386
1875699 – (CVE-2020-14386) CVE-2020-14386 kernel: memory corruption in net/packet/af_packet.c leads to elevation of privilegeIssue Tracking;Patch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
[SECURITY] [DLA 2420-2] linux regression updateMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
Mailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNCPXERMUHPSGF6S2VVFL5NVVPBBFB63/
[SECURITY] Fedora 33 Update: kernel-5.8.7-300.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/09/17/4
oss-security - Re: Containers-optimized OS (COS) membership in the linux-distros listMailing List;Third Party Advisory
-
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acf69c946233259ab4d64f8869d4037a198c7f06
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
http://www.openwall.com/lists/oss-security/2021/09/21/1
oss-security - Re: Containers-optimized OS (COS) membership in the linux-distros listMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
[SECURITY] [DLA 2385-1] linux-4.19 security updateMailing List;Third Party Advisory
-
http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html
Kernel Live Patch Security Notice LSN-0072-1 ≈ Packet StormThird Party Advisory;VDB Entry
-
https://seclists.org/oss-sec/2020/q3/146
oss-sec: CVE-2020-14386: Linux kernel: af_packet.c vulnerabilityMailing List;Patch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
[SECURITY] [DLA 2420-1] linux security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/09/17/2
oss-security - Containers-optimized OS (COS) membership in the linux-distros listMailing List;Third Party Advisory
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