CVEvulnerability
CVE-2020-11494
4.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-04-02
- Last modified
- 2026-10-08
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-908, CWE-909
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.
Affected configurations
• linux linux kernel (>= 3.16 <= 5.6.2)
• opensuse leap 15.1
• debian debian linux 8.0
• debian debian linux 9.0
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 19.10
Related
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html Third Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200430-0004/ Third Party Advisory
- https://usn.ubuntu.com/4363-1/ Third Party Advisory
- https://usn.ubuntu.com/4364-1/ Third Party Advisory
- https://usn.ubuntu.com/4368-1/ Third Party Advisory
- https://usn.ubuntu.com/4369-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4698 Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html Third Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200430-0004/ Third Party Advisory
- https://usn.ubuntu.com/4363-1/ Third Party Advisory
- https://usn.ubuntu.com/4364-1/ Third Party Advisory
- https://usn.ubuntu.com/4368-1/ Third Party Advisory
- https://usn.ubuntu.com/4369-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4698 Third Party Advisory