PT-2024-1849 · Linux+11 · Linux Kernel+11
Published
2024-02-10
·
Updated
2026-03-14
·
CVE-2024-26584
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to the Linux kernel's handling of backlogging of crypto requests. When the
CRYPTO TFM REQ MAY BACKLOG flag is set on requests to the crypto API, crypto aead {encrypt,decrypt} can return -EBUSY instead of -EINPROGRESS in valid situations. This can occur when the cryptd queue for AESNI is full, causing requests to be enqueued to the backlog but still processed. As a result, the async callback will be called twice: first with err == -EINPROGRESS, which can be ignored, and then with err == 0. The vulnerability can be exploited to cause a denial of service.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
DoS
Improper Handling of Exceptional Conditions
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Debian
Linuxmint
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu