cbcvebase.
CVE-2024-44949
published 2024-09-04

CVE-2024-44949: 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…

PriorityP338high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.23%
14.1th percentile
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.

Affected

15 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.119-1 (bookworm)linux 6.1.119-1 (bookworm)
debianlinux-6.1< linux 6.1.119-1 (bookworm)linux 6.1.119-1 (bookworm)
linuxlinux
linuxlinux>= a01fece2e4185ac173abd16d10304d73d47ebf00 < 00baca74fb5879e5f9034b6156671301f500f8ee00baca74fb5879e5f9034b6156671301f500f8ee
linuxlinux>= a01fece2e4185ac173abd16d10304d73d47ebf00 < 642a0b7453daff0295310774016fcb56d1f5bc7f642a0b7453daff0295310774016fcb56d1f5bc7f
linuxlinux>= a01fece2e4185ac173abd16d10304d73d47ebf00 < 533de2f470baac40d3bf622fe631f15231a03c9f533de2f470baac40d3bf622fe631f15231a03c9f
linuxlinux>= a01fece2e4185ac173abd16d10304d73d47ebf00 < 7ae04ba36b381bffe2471eff3a93edced843240f7ae04ba36b381bffe2471eff3a93edced843240f
linuxlinux_kernel< 6.6.466.6.46
linuxlinux_kernel
linuxlinux_kernel>= 0 < 6.1.119-16.1.119-1
linuxlinux_kernel>= 0 < 6.10.6-16.10.6-1
linuxlinux_kernel>= 0 < 6.10.6-16.10.6-1
linuxlinux_kernel>= 6.7 < 6.10.56.10.5
msrccbl2_kernel_5.15.176.3-1_on_cbl_mariner_2.0
msrccbl2_kernel_5.15.182.1-1_on_cbl_mariner_2.0

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_msrc7.8HIGH
vendor_redhat7.8HIGH
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