CVE-2020-11494An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2.
Updated under an hour ago ()
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It affects linux_kernel and 3 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 4.4 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 3.16 through 5.6.2 | NVD |
opensuse leap opensuse:leap | 15.1 | NVD |
debian debian_linux debian:debian_linux | 8.0; 9.0 | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 14.04; 16.04; 18.04; 19.10 | NVD |
References
- https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264x-refsource-misc
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.htmlvendor-advisory, x-refsource-suse
- https://security.netapp.com/advisory/ntap-20200430-0004/x-refsource-confirm
- https://usn.ubuntu.com/4364-1/vendor-advisory, x-refsource-ubuntu
- https://usn.ubuntu.com/4368-1/vendor-advisory, x-refsource-ubuntu
- https://usn.ubuntu.com/4363-1/vendor-advisory, x-refsource-ubuntu
- https://usn.ubuntu.com/4369-1/vendor-advisory, x-refsource-ubuntu
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlmailing-list, x-refsource-mlist
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlmailing-list, x-refsource-mlist
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlmailing-list, x-refsource-mlist
- https://www.debian.org/security/2020/dsa-4698vendor-advisory, x-refsource-debian
- http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.htmlx-refsource-misc
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.