Vulnerability · Published Feb 4, 2022 · Assigned by redhat
CVE-2022-0487
Medium 5.5
In plain English
A medium-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 0.4% (higher than 37% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 63.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A use-after-free vulnerability was found in rtsx_usb_ms_drv_remove in drivers/memstick/host/rtsx_usb_ms.c in memstick in the Linux kernel. In this flaw, a local attacker with a user privilege may impact system Confidentiality. This flaw affects kernel versions prior to 5.14 rc1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.16.10-1 | DEBIAN-CVE-2022-0487 |
| Debian:13 | linux | 5.16.10-1 | DEBIAN-CVE-2022-0487 |
| Debian:14 | linux | 5.16.10-1 | DEBIAN-CVE-2022-0487 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-0487 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-0487 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-0487 |
Affected products (as reported)
Weakness: CWE-416
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2044561 x_refsource_MISC
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=42933c8aa14be1caa9eda41f65cde8a3a95d3e39 x_refsource_MISC
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update mailing-list, x_refsource_MLIST
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update mailing-list, x_refsource_MLIST
- DSA-5095 vendor-advisory, x_refsource_DEBIAN
- DSA-5096 vendor-advisory, x_refsource_DEBIAN