Vulnerability · Published Mar 30, 2021 · Assigned by mitre
CVE-2021-29649
Medium 5.5
In plain English
A medium-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 76.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in the Linux kernel before 5.11.11. The user mode driver (UMD) has a copy_process() memory leak, related to a lack of cleanup steps in kernel/usermode_driver.c and kernel/bpf/preload/bpf_preload_kern.c, aka CID-f60a85cad677.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.10.28-1 | DEBIAN-CVE-2021-29649 |
| Debian:13 | linux | 5.10.28-1 | DEBIAN-CVE-2021-29649 |
| Debian:14 | linux | 5.10.28-1 | DEBIAN-CVE-2021-29649 |
Affected products (as reported)
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11 x_refsource_MISC
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f60a85cad677c4f9bb4cadd764f1d106c38c7cf8 x_refsource_MISC
- FEDORA-2021-41fb54ae9f vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-6b0f287b8b vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-2306e89112 vendor-advisory, x_refsource_FEDORA