Vulnerability Details : CVE-2020-11494
An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2. It allows attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL, aka CID-b9258a2cece4.
Products affected by CVE-2020-11494
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11494
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 15 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11494
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
0.8
|
3.6
|
NIST |
CWE ids for CVE-2020-11494
-
The product uses or accesses a resource that has not been initialized.Assigned by: nvd@nist.gov (Primary)
-
The product does not initialize a critical resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-11494
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
[SECURITY] [DLA 2241-2] linux security updateMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
[SECURITY] [DLA 2241-1] linux security updateMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
[SECURITY] [DLA 2242-1] linux-4.9 security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4364-1/
USN-4364-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28
kernel/git/tip/tip.git - Unnamed repository; edit this file 'description' to name the repository.Mailing List;Patch;Vendor Advisory
-
https://usn.ubuntu.com/4363-1/
USN-4363-1: Linux kernel vulnerabilities | Ubuntu security noticesThird 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://security.netapp.com/advisory/ntap-20200430-0004/
April 2020 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
[security-announce] openSUSE-SU-2020:0543-1: important: Security updateMailing List;Third Party Advisory
-
https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264
slcan: Don't transmit uninitialized stack data in padding · torvalds/linux@b9258a2 · GitHubPatch;Third Party Advisory
-
https://usn.ubuntu.com/4369-1/
USN-4369-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://www.debian.org/security/2020/dsa-4698
Debian -- Security Information -- DSA-4698-1 linuxThird Party Advisory
-
https://usn.ubuntu.com/4368-1/
USN-4368-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
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