PT-2026-39135 · Linux · Linux Kernel

Syzbot · Published 2026-05-08 · Updated 2026-05-08 · CVE-2026-43474

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An uninitialized value bug exists in the Linux kernel. The issue occurs because the flags valid field is not initialized before the vfs fileattr get() function is called. This was identified in the fuse fileattr get() function within fs/fuse/ioctl.c.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-43474

Affected Products

Linux Kernel

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-43474 · Security Note
• https://git.kernel.org/stable/c/cb184dd19154fc486fa3d9e02afe70a97e54e055 · Note
• https://twitter.com/CVEnew/status/2052767585163501723 · Twitter Post
• https://git.kernel.org/stable/c/b8c182b2c8c44c6016b11d8af61715ad7ef958a1 · Note
• https://git.kernel.org/stable/c/379e19e820dd1c6145426b97467728b3b89c0b42 · Note