PT-2026-34340 · Linux · Linux Kernel

Published 2026-04-22 · Updated 2026-04-23 · CVE-2026-31435

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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

Description An issue exists in the netfs component where read subrequests may be abandoned during a retry process. This occurs because the subreq variable may be uninitialized during the first loop pass or point to a deleted subrequest in subsequent passes, leading to improper abandonment of remaining subrequests.

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

Related Identifiers

CVE-2026-31435

Affected Products

Linux Kernel

References · 14

• https://cve.org/CVERecord?id=CVE-2026-31435 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31435 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31435 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-31435 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-31435 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-31435 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-31435 · Security Note
• https://twitter.com/CVEnew/status/2046980059555078388 · Twitter Post
• https://docs.bell-sw.com/security/cves/CVE-2026-31435 · Note
• https://git.kernel.org/stable/c/7e57523490cd2efb52b1ea97f2e0a74c0fb634cd · Note
• https://git.kernel.org/stable/c/8f2f2bd128a8d9edbc1e785760da54ada3df69b7 · Note
• https://git.kernel.org/stable/c/3e5fd8f53b575ff2188f82071da19c977ca56c41 · Note
• https://git.kernel.org/linus/7e57523490cd2efb52b1ea97f2e0a74c0fb634cd · Note
• https://twitter.com/infoflowcloud/status/2046982099802939874 · Twitter Post