Vulnerability · Published Mar 30, 2021 · Assigned by mitre
CVE-2021-29646
Medium 5.5
In plain English
A medium-severity security flaw in the kernel-tools-libs-devel package (AlmaLinux). 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 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 76.1% 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. tipc_nl_retrieve_key in net/tipc/node.c does not properly validate certain data sizes, aka CID-0217ed2848e8.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-348.el8 | ALSA-2021:4356 |
| Debian:12 | linux | 5.10.28-1 | DEBIAN-CVE-2021-29646 |
| Debian:13 | linux | 5.10.28-1 | DEBIAN-CVE-2021-29646 |
| Debian:14 | linux | 5.10.28-1 | DEBIAN-CVE-2021-29646 |
Affected products (as reported)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0217ed2848e8538bcf9172d97ed2eeb4a26041bb x_refsource_MISC
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11 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