In the Linux kernel, the following vulnerability has been resolved:
gpio: prevent potential speculation leaks in gpio_device_get_desc()
Userspace may trigger a speculative read of an address outside the gpio
descriptor array.
Users can do that by calling gpio_ioctl() with an offset out of range.
Offset is copied from user and then used as an array index to get
the gpio descriptor without sanitization in gpio_device_get_desc().
This change ensures that the offset is sanitized by using
array_index_nospec() to mitigate any possibility of speculative
information leaks.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | linux | < any | UNKNOWN |
ubuntu | 22.04 | noarch | linux | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < any | UNKNOWN |
ubuntu | 22.04 | noarch | linux-aws | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux-aws | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws-5.15 | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure | < any | UNKNOWN |
ubuntu | 22.04 | noarch | linux-azure | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux-azure | < any | UNKNOWN |
git.kernel.org/linus/d795848ecce24a75dfd46481aee066ae6fe39775 (6.11-rc1)
git.kernel.org/stable/c/1b955f786a4bcde8c0ccb2b7d519def2acb6f3cc
git.kernel.org/stable/c/d776c0486b03a5c4afca65b8ff44573592bf93bb
git.kernel.org/stable/c/d795848ecce24a75dfd46481aee066ae6fe39775
launchpad.net/bugs/cve/CVE-2024-44931
nvd.nist.gov/vuln/detail/CVE-2024-44931
security-tracker.debian.org/tracker/CVE-2024-44931
www.cve.org/CVERecord?id=CVE-2024-44931