SB2026081706 - Improper Check or Handling of Exceptional Conditions in Linux kernel nand raw driver
Published: August 17, 2026
Security Bulletin ID
SB2026081706
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
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-2026-68466)
CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper exception handling in the lpc32xx_xmit_dma() function when waiting for DMA transfer completion. A local user can trigger a DMA completion timeout to cause a denial of service.
The timed out transfer may continue accessing the buffer after an error condition occurs.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/17a8ce84964f243c8f89dc7353ac7e8d3137bc74
- https://git.kernel.org/stable/c/307e4f4c1d4e1575b3495ecc6e41aa2adc40f491
- https://git.kernel.org/stable/c/623c4d8e740debb4af28981e3d4e209f9d0260a4
- https://git.kernel.org/stable/c/8f5c3ee53a5dc1a0f7cfd780485f2c8b5d17f91d
- https://git.kernel.org/stable/c/bd4a622786f92e1f183f7557ab89dd32891cef60
- https://git.kernel.org/stable/c/c367af37ce7238c96c6071337149099467160746
- https://git.kernel.org/stable/c/cb2031f8b226efbd13735c07b075e5f14ec11f6d
- https://git.kernel.org/stable/c/cf7258f57d18026b8f77c0e80ff1805e9caf7250