Answer in brief
CVE-2026-53315 records a Medium severity (CVSS 5.5) vulnerability in drm/amd/ras: Fix NULL deref in ras_core_get_utc_second_timestamp(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=13c91b5b4378b5d08dc9ae9121b1645a0beec0bb <6c84f7f0afc415691ffa7d48aa7ce1d8e6083032 || >=13c91b5b4378b5d08dc9ae9121b1645a0beec0bb <2b8101cc3b34d4d80d799360d2744829d5964479 | 6c84f7f0afc415691ffa7d48aa7ce1d8e6083032, 2b8101cc3b34d4d80d799360d2744829d5964479 |
| Linux/Linuxgeneric | 6.19 | Not reported |
Published upstream
Jun 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 26, 2026
In the Linux kernel, the following vulnerability has been resolved: drm/amd/ras: Fix NULL deref in ras_core_get_utc_second_timestamp() ras_core_get_utc_second_timestamp() retrieves the current UTC timestamp (in seconds since the Unix epoch) through a platform-specific RAS system callback and is used for timestamping RAS error events. The function checks ras_core in the conditional statement before calling the sys_fn callback. However, when the condition fails, the function prints an error message using ras_core->dev. If ras_core is NULL, this can lead to a potential NULL pointer dereference when accessing ras_core->dev. Add an early NULL check for ras_core at the beginning of the function and return 0 when the pointer is not valid. This prevents the dereference and makes the control flow clearer.
Quoted source text, attributed separately from HOL analysis.