CVE-2022-49341 is a vulnerability in the Linux kernel, specifically affecting the BPF (Berkeley Packet Filter) subsystem on ARM64 architectures. The issue arises when the kernel attempts to copy BPF JIT (Just-In-Time) compiled code to user space, but the internal length tracking (prog->jited_len) is inconsistent with the actual state of the JIT image (prog->bpf_func being cleared). This can lead to an illegal copy_to_user() attempt, triggering a kernel bug. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity. While there is no direct information on confidentiality or integrity impact, the potential for a kernel bug suggests a high availability impact, possibly leading to system crashes or denial of service. 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, suggesting a low level of public awareness or concern.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.16, < 4.19.247CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.20, < 5.4.198CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.10.122CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.15.47CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 5.17.15CPE 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.