CVE-2020-11494LOW
Description
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.
References
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html
https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://security.netapp.com/advisory/ntap-20200430-0004/
https://usn.ubuntu.com/4363-1/
https://usn.ubuntu.com/4364-1/
https://usn.ubuntu.com/4368-1/
Details
Source: MITRE
Published: 2020-04-02
Updated: 2021-01-04
Type: CWE-200
Risk Information
CVSS v2.0
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
CVSS v3.0
Base Score: 4.4
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 0.8
Severity: MEDIUM
Vulnerable Software
Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 5.6.2 (inclusive)
Configuration 2
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 140917 | EulerOS 2.0 SP3 : kernel (EulerOS-SA-2020-2150) | Nessus | Huawei Local Security Checks | high |
| 138272 | SUSE SLES15 Security Update : kernel (SUSE-SU-2020:1663-1) | Nessus | SuSE Local Security Checks | critical |
| 137805 | EulerOS Virtualization for ARM 64 3.0.6.0 : kernel (EulerOS-SA-2020-1698) | Nessus | Huawei Local Security Checks | high |
| 137516 | EulerOS 2.0 SP2 : kernel (EulerOS-SA-2020-1674) | Nessus | Huawei Local Security Checks | critical |
| 137391 | Slackware 14.2 : Slackware 14.2 kernel (SSA:2020-163-01) | Nessus | Slackware Local Security Checks | high |
| 137340 | Debian DSA-4698-1 : linux - security update | Nessus | Debian Local Security Checks | high |
| 137339 | Debian DLA-2242-1 : linux-4.9 security update | Nessus | Debian Local Security Checks | high |
| 137283 | Debian DLA-2241-2 : linux security update | Nessus | Debian Local Security Checks | high |
| 137128 | OracleVM 3.4 : Unbreakable / etc (OVMSA-2020-0019) | Nessus | OracleVM Local Security Checks | high |
| 137024 | EulerOS 2.0 SP5 : kernel (EulerOS-SA-2020-1606) | Nessus | Huawei Local Security Checks | high |
| 136966 | Ubuntu 18.04 LTS / 19.10 : Linux kernel regression (USN-4369-2) | Nessus | Ubuntu Local Security Checks | medium |
| 136782 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1275-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) | Nessus | SuSE Local Security Checks | critical |
| 136759 | Ubuntu 18.04 LTS / 19.10 : Linux kernel vulnerabilities (USN-4369-1) | Nessus | Ubuntu Local Security Checks | medium |
| 136733 | Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4368-1) | Nessus | Ubuntu Local Security Checks | medium |
| 136711 | Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4364-1) | Nessus | Ubuntu Local Security Checks | medium |
| 136710 | Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4363-1) | Nessus | Ubuntu Local Security Checks | medium |
| 136661 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1255-1) | Nessus | SuSE Local Security Checks | critical |
| 136485 | Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5676) | Nessus | Oracle Linux Local Security Checks | high |
| 136388 | Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5670) | Nessus | Oracle Linux Local Security Checks | high |
| 136239 | EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2020-1536) | Nessus | Huawei Local Security Checks | critical |
| 136168 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:1146-1) | Nessus | SuSE Local Security Checks | medium |
| 136166 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1142-1) | Nessus | SuSE Local Security Checks | high |
| 136165 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1141-1) | Nessus | SuSE Local Security Checks | medium |
| 136107 | Photon OS 1.0: Linux PHSA-2020-1.0-0290 | Nessus | PhotonOS Local Security Checks | medium |
| 136075 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:1123-1) | Nessus | SuSE Local Security Checks | medium |
| 136026 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1119-1) | Nessus | SuSE Local Security Checks | medium |
| 136025 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1118-1) | Nessus | SuSE Local Security Checks | high |
| 136022 | Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2020-5663) | Nessus | Oracle Linux Local Security Checks | high |
| 136006 | openSUSE Security Update : the Linux Kernel (openSUSE-2020-543) | Nessus | SuSE Local Security Checks | medium |
| 135741 | EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1508) | Nessus | Huawei Local Security Checks | high |