Improper Check or Handling of Exceptional Conditions in Linux kernel - CVE-2026-92483

Vulnerability identifier: #VU151033

CSH Severity: Low

CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-92483

CWE-ID: CWE-703

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to cause repeated invocation of FLB retrieve callbacks after a failed retrieval.

The vulnerability exists due to improper error handling in luo_flb_retrieve_one() when retrieving another file registered with an FLB after a prior retrieval failure. A local user can attempt to retrieve another file registered with the same FLB to cause repeated invocation of FLB retrieve callbacks after a failed retrieval.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (Ubuntu package)
linux-oracle (Ubuntu package)
linux-ibm (Ubuntu package)
linux-hwe-7.0 (Ubuntu package)
linux-oem-7.0 (Ubuntu package)

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3
linux (Ubuntu package) - update to 7.0.0-42.42
linux-aws (Ubuntu package) - update to 7.0.0-1016.17
linux-gcp (Ubuntu package) - update to 7.0.0-1016.18
linux-oracle (Ubuntu package) - update to 7.0.0-1015.16
linux-ibm (Ubuntu package) - update to 7.0.0-1017.17
linux-hwe-7.0 (Ubuntu package) - update to 7.0.0-42.42~24.04.1
linux-oem-7.0 (Ubuntu package) - update to 7.0.0-1017.17

• https://git.kernel.org/stable/c/5c4a03afcb21783987ffc64562b76ddd5a21b12b
• https://git.kernel.org/stable/c/908f3ea3f050b865c5c2d8c1da566185a4a3efc0

• Improper Check or Handling of Exceptional Conditions in Linux kernel liveupdate
• Ubuntu update for linux-oem-7.0
• Ubuntu update for linux, linux-aws, linux-gcp and more