CVEvulnerability
CVE-2021-4135
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-07-14
- Last modified
- 2026-10-08
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-200, CWE-401
Description
A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.
Affected configurations
• linux linux kernel (< 5.16)
• linux linux kernel 5.16
Related
References
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53 Mailing List, Patch, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53 Mailing List, Patch, Vendor Advisory