SB2026070249 - Improper Check or Handling of Exceptional Conditions in Linux kernel riscv kernel
Published: July 2, 2026
Security Bulletin ID
SB2026070249
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) Improper Check or Handling of Exceptional Conditions (CVE-ID: CVE-2026-53351)
CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions
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 improper handling of core dump note types in riscv ptrace REGSET_CFI support when dumping a core file. A local user can trigger a core dump to cause a denial of service.
The issue is evidenced by a kernel warning in elf_core_dump on RISC-V systems.
Remediation
Install update from vendor's website.