CVE-2021-34693
Advisory lineage Upstream: 0 Downstream: 31
Modified
Published: 14 Jun 2021, 00:00
Last modified:04 Aug 2024, 00:19
Vulnerability Summary
Overall Risk (default)
medium
32/100 CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.05% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
14 Jun 2021, 00:00
Published
Vulnerability first disclosed
04 Aug 2024, 00:19
Last Modified
Vulnerability information updated
Description
net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.05%• Percentile: 17%
Techniques & Countermeasures
- CWE-909•Missing Initialization of Resource
The product does not initialize a critical resource.
Affected Systems
- debian•debian_linux
9.0 | 10.0
- linux•linux_kernel
≥ 2.6.25, ≤ 5.12.10
References (7)
- https://lore.kernel.org/netdev/trinity-87eaea25-2a7d-4aa9-92a5-269b822e5d95-1623609211076%403c-app-gmx-bs04/T/
- http://www.openwall.com/lists/oss-security/2021/06/15/1
- https://lists.debian.org/debian-lts-announce/2021/07/msg00016.html
- https://lists.debian.org/debian-lts-announce/2021/07/msg00014.html
- https://lists.debian.org/debian-lts-announce/2021/07/msg00015.html
- https://www.debian.org/security/2021/dsa-4941
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5e87ddbe3942e27e939bdc02deb8579b0cbd8ecc