SB2026060411 - Reachable assertion in Linux kernel pci driver
Published: June 4, 2026
Security Bulletin ID
SB2026060411
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Reachable assertion (CVE-ID: CVE-2026-46268)
CWE-ID: CWE-617 - Reachable Assertion
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to an incorrect assertion condition in p2pmem_alloc_mmap() in the PCI P2PDMA subsystem when mapping allocated p2pdma pages. A local user can trigger the warning path to cause a denial of service.
The warning is reported when CONFIG_DEBUG_VM is enabled.
Remediation
Install update from vendor's website.