CVE-2022-50381 describes a kernel crash in the Linux kernel's md (Multiple Device) driver, specifically within the mempool_free function. This vulnerability, affecting Linux kernel versions, arises from a race condition where a bio (block I/O) structure is attempted to be freed into a destroyed bio set, leading to a NULL pointer dereference. The issue is triggered during specific LVM (Logical Volume Manager) test scenarios involving RAID operations. Rated with a CVSS score of 5.5 (Medium), this vulnerability has a local attack vector (AV:L) and low attack complexity (AC:L), requiring local privileges (PR:L) to exploit. The primary impact is a denial of service (A:H) due to the kernel crash, with no impact on confidentiality or integrity. Currently, there is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, indicating a low level of public attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.9.337CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.10, < 4.14.303CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.15, < 4.19.270CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.20, < 5.4.229CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.10.163CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.