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.
Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*

History

29 Apr 2022, 13:26

Type Values Removed Values Added
First Time Canonical ubuntu Linux
Debian
Debian debian Linux
Canonical
CWE CWE-200 CWE-908
CWE-909
References (MISC) http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html - (MISC) http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html - Third Party Advisory, VDB Entry
References (MLIST) https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html - (MLIST) https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html - Mailing List, Third Party Advisory
References (UBUNTU) https://usn.ubuntu.com/4368-1/ - (UBUNTU) https://usn.ubuntu.com/4368-1/ - Third Party Advisory
References (UBUNTU) https://usn.ubuntu.com/4369-1/ - (UBUNTU) https://usn.ubuntu.com/4369-1/ - Third Party Advisory
References (UBUNTU) https://usn.ubuntu.com/4364-1/ - (UBUNTU) https://usn.ubuntu.com/4364-1/ - Third Party Advisory
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28 - (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28 - Mailing List, Patch, Vendor Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html - (MLIST) https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html - Mailing List, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html - (MLIST) https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html - Mailing List, Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2020/dsa-4698 - (DEBIAN) https://www.debian.org/security/2020/dsa-4698 - Third Party Advisory
References (UBUNTU) https://usn.ubuntu.com/4363-1/ - (UBUNTU) https://usn.ubuntu.com/4363-1/ - Third Party Advisory
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

04 Jan 2021, 23:15

Type Values Removed Values Added
Summary An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 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. 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
  • (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28 -

Information

Published : 2020-04-02 21:15

Updated : 2023-12-10 13:27


NVD link : CVE-2020-11494

Mitre link : CVE-2020-11494

CVE.ORG link : CVE-2020-11494


JSON object : View

Products Affected

linux

  • linux_kernel

canonical

  • ubuntu_linux

debian

  • debian_linux

opensuse

  • leap
CWE
CWE-908

Use of Uninitialized Resource

CWE-909

Missing Initialization of Resource