CVE-2023-53599 is a Linux kernel vulnerability affecting the af_alg cryptographic module, specifically impacting the gcm-aes-s390 driver. The flaw stems from a missing initialization of the areq->first_rsgl.sgl.sgt.sgl pointer when an empty ciphertext is passed, leading to a kernel oops (crash) on s390x architectures. Rated as Medium severity (CVSS 5.5), this vulnerability has a local attack vector with low attack complexity, requiring local user privileges. While it doesn't directly impact confidentiality or integrity, a successful exploit could lead to a denial of service (system crash). There is currently no evidence of active exploitation, and no public exploit code or Metasploit/Nuclei modules are available. Community discussion and media coverage for this CVE are minimal, indicating low public attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.5, < 6.5.3CPE 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.