Updated: 2026-02-27 00:28:58.555477
Description:
In the Linux kernel, the following vulnerability has been resolved: parisc: fix a possible DMA corruption ARCH_DMA_MINALIGN was defined as 16 - this is too small - it may be possible that two unrelated 16-byte allocations share a cache line. If one of these allocations is written using DMA and the other is written using cached write, the value that was written with DMA may be corrupted. This commit changes ARCH_DMA_MINALIGN to be 128 on PA20 and 32 on PA1.1 - that's the largest possible cache line size. As different parisc microarchitectures have different cache line size, we define arch_slab_minalign(), cache_line_size() and dma_get_cache_alignment() so that the kernel may tune slab cache parameters dynamically, based on the detected cache line size.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | HIGH | 7.8 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 7.8 | HIGH | Not Vulnerable | 2024-10-16 23:52:30 | ||
| CentOS 6 ELS | kernel | 2.6.32 | 7.8 | HIGH | Not Vulnerable | 2024-10-16 23:52:31 | CVE-2024-44949 is confined to the Linux parisc (HP PA‑RISC) architecture, where an undersized ARCH... | |
| CentOS 7 ELS | kernel | 3.10.0 | 7.8 | HIGH | Not Vulnerable | 2024-10-16 23:52:28 | CVE-2024-44949 is specific to the Linux kernel’s parisc (PA‑RISC) architecture, addressing ARCH_... | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 7.8 | HIGH | Not Vulnerable | 2024-10-16 23:52:28 | Not affected: this vulnerability is limited to Linux kernels built for the PA‑RISC (parisc) archit... | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 7.8 | HIGH | Not Vulnerable | 2024-10-16 23:52:29 | Not affected: this vulnerability is limited to Linux kernels built for the PA‑RISC (parisc) archit... | |
| CentOS Stream 8 ELS | kernel | 4.18.0 | 7.8 | HIGH | Not Vulnerable | 2024-10-16 23:52:27 | Not affected: this vulnerability is limited to Linux kernels built for the PA‑RISC (parisc) archit... | |
| CloudLinux 6 ELS | kernel | 2.6.32 | 7.8 | HIGH | Not Vulnerable | 2024-10-16 23:52:30 | ||
| CloudLinux 7 ELS | kernel | 3.10.0 | 7.8 | HIGH | Not Vulnerable | 2024-10-16 23:52:27 | CVE-2024-44949 is specific to the Linux kernel’s parisc (PA‑RISC) architecture, addressing ARCH_... | |
| Oracle Linux 6 ELS | kernel | 2.6.32 | 7.8 | HIGH | Not Vulnerable | 2024-10-16 23:52:28 | CVE-2024-44949 is confined to the Linux parisc (HP PA‑RISC) architecture, where an undersized ARCH... | |
| Oracle Linux 7 ELS | kernel | 3.10.0 | 7.8 | HIGH | Not Vulnerable | 2025-05-12 04:24:54 | CVE-2024-44949 is specific to the Linux kernel’s parisc (PA‑RISC) architecture, addressing ARCH_... |