VulnerabilityModified
CVE-2020-11494
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.
MEDIUM 4.4EPSS 0.72%
Does this matter?
Lower severity and a low EPSS score (0.72%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.72% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-908, CWE-909
- Affected
- linux/linux kernel · opensuse/leap · debian/debian linux · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.htmlThird Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing 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-4698Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.htmlThird Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing 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-4698Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.