Updated: 2025-12-01 01:57:56.050108
Description:
An out-of-bounds (OOB) memory write flaw was found in the NFSD in the Linux kernel. Missing sanity may lead to a write beyond bmval[bmlen-1] in nfsd4_decode_bitmap4 in fs/nfsd/nfs4xdr.c. In this flaw, a local attacker with user privilege may gain access to out-of-bounds memory, leading to a system integrity and confidentiality threat.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | MEDIUM | 6.6 |
| CVSS Version 3.x | HIGH | 7.1 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 7.1 | HIGH | Already Fixed | 2024-01-20 08:38:00 | ||
| CentOS 6 ELS | kernel | 2.6.32 | 7.1 | HIGH | Not Vulnerable | 2022-03-30 15:43:18 | ||
| CentOS 7 ELS | kernel | 3.10.0 | 7.1 | HIGH | Not Vulnerable | 2023-11-03 09:33:15 | ||
| CentOS 8.4 ELS | kernel | 4.18.0 | 7.1 | HIGH | Not Vulnerable | 2022-03-18 18:52:47 | ||
| CentOS 8.5 ELS | kernel | 4.18.0 | 7.1 | HIGH | Not Vulnerable | 2022-03-18 18:52:47 | ||
| CloudLinux 6 ELS | kernel | 2.6.32 | 7.1 | HIGH | Not Vulnerable | 2022-03-30 15:43:18 | ||
| Oracle Linux 6 ELS | kernel | 2.6.32 | 7.1 | HIGH | Not Vulnerable | 2022-03-30 15:43:18 | ||
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 7.1 | HIGH | Not Vulnerable | 2022-10-05 03:15:02 | ||
| Ubuntu 16.04 ELS | linux | 4.4.0 | 7.1 | HIGH | Not Vulnerable | 2022-04-11 16:02:55 | ||
| Ubuntu 18.04 ELS | linux | 4.15.0 | 7.1 | HIGH | Not Vulnerable | 2023-08-28 21:18:55 |