Vulnerability · Published May 31, 2022 · Assigned by redhat
CVE-2022-1419
High 7.8
In plain English
A high-severity use-after-free in kernel. 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)7.8High
Exploit odds (30 days)0.3%top 75.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.5.13-1 | DEBIAN-CVE-2022-1419 |
| Debian:13 | linux | 5.5.13-1 | DEBIAN-CVE-2022-1419 |
| Debian:14 | linux | 5.5.13-1 | DEBIAN-CVE-2022-1419 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-1419 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-1419 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-1419 |
Affected products (as reported)
Weakness: CWE-416
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2077560 x_refsource_MISC
- DSA-5173 vendor-advisory, x_refsource_DEBIAN