Description
In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY Since commit 8f4f68e788c3 ("crypto: pcrypt - Fix hungtask for PADATA_RESET"), the pcrypt encryption and decryption operations return -EAGAIN when the CPU goes online or offline. In alg_test(), a WARN is generated when pcrypt_aead_decrypt() or pcrypt_aead_encrypt() returns -EAGAIN, the unnecessary panic will occur when panic_on_warn set 1. Fix this issue by calling crypto layer directly without parallelization in that case.
Affected products
linux: linux kernel
References10
- git.kernel.org/stable/c/5edae7a9a35606017ee6e05911c290acee9fee5a Patch
- git.kernel.org/stable/c/662f2f13e66d3883b9238b0b96b17886179e60e2 Patch
- git.kernel.org/stable/c/7ddab756f2de5b7b43c122ebebdf37f400fb2b6f Patch
- git.kernel.org/stable/c/92834692a539b5b7f409e467a14667d64713b732 Patch
- git.kernel.org/stable/c/96001f52ae8c70e2c736d3e1e5dc53d5b521e5ca Patch
- git.kernel.org/stable/c/a8e0074ffb38c9a5964a221bb998034d016c93a2 Patch
- git.kernel.org/stable/c/a92ccd3618e42333ac6f150ecdac14dca298bc7a Patch
- git.kernel.org/stable/c/dd8bf8eb5beba1e7c3b11a9a5a58ccbf345a69e6 Patch
- git.kernel.org/stable/c/fca8aed12218f96b38e374ff264d78ea1fbd23cc Patch
- lists.debian.org/debian-lts-announce/2025/03/msg00001.html
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 9 · as of 6 November 2026
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