CVE-2022-49074
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix GICR_CTLR.RWP polling It turns out that our polling of RWP is totally wrong when checking for it in the redistributors, as we test the *distributor* bit index, whereas it is a different bit number in the RDs... Oopsie boo. This is embarassing. Not only because it is wrong, but also because it took *8 years* to notice the blunder... Just fix the damn thing.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedFeb 26, 2025
First seenFeb 26, 2025
How to fix
Update
- linux linux_kernel4.19.238, 5.4.189, 5.10.111, 5.15.34, 5.16.20, 5.17.3 or later
Patches
- git.kernel.org/stable/c/0df6664531a12cdd8fc873f0cac0dcb40243d3e9
- git.kernel.org/stable/c/3c07cc242baf83f0bddbbd9d7945d0bee56d8b57
- git.kernel.org/stable/c/60e1eb4811f53f5f60c788297d978515e7a2637a
- git.kernel.org/stable/c/6fef3e3179e6ed8fecdd004ede541674ffa7749d
- git.kernel.org/stable/c/7218a789abb3e033f5f3a85636ca50d9ae7b0fc9
- git.kernel.org/stable/c/c7daf1b4ad809692d5c26f33c02ed8a031066548
- git.kernel.org/stable/c/ff24114bb08d8b90edf2aff0a4fd0689523e6c17
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.17 ≤ v < 4.19.238, 4.20 ≤ v < 5.4.189, 5.5 ≤ v < 5.10.111, 5.11 ≤ v < 5.15.34, 5.16 ≤ v < 5.16.20, 5.17 ≤ v < 5.17.3, 5.18 | 4.19.238, 5.4.189, 5.10.111, 5.15.34, 5.16.20, 5.17.3 |
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