Answer in brief
CVE-2026-53291 records a Medium severity (CVSS 5.5) vulnerability in ALSA: hda/conexant: Fix missing error check for jack detection. 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 | >=f13b8cb5a6920ad98b751d3134686f29810577d4 <49c2c5924552e1d2f8b635dee663abebbb7cf63b || >=2cb659ef0ac744545499e7c37665b276d9e405da <a2a33e87a2ffce3046c574d24eec4390c27c9365 || >=24d748413cc4e1d97074bae1f335d32d30912f10 <d68f753d89f4ef6e410d7e8b7e8ab2fdde921b80 || >=7aeb259086487417f0fecf66e325bee133e8813a <dd110cc00cf854a8ecd8d003127a4178c28574ea || >=7aeb259086487417f0fecf66e325bee133e8813a <f837c7b85143a7c54140ff41ad5c076b73cd9933 || >=7aeb259086487417f0fecf66e325bee133e8813a <1da5c73f3793b224696617a2a21def7500ba18d6 || >=7aeb259086487417f0fecf66e325bee133e8813a <b0e2333a231107adedd38c6fcfe1adc6162716fc || 4a28302b2c681e3cf85e3b41231fff363c4c6a0e || >=5.15.149 <5.15.209 || >=6.1.77 <6.1.175 || >=6.6.16 <6.6.141 || >=6.7.4 <6.8 | 49c2c5924552e1d2f8b635dee663abebbb7cf63b, a2a33e87a2ffce3046c574d24eec4390c27c9365, d68f753d89f4ef6e410d7e8b7e8ab2fdde921b80, dd110cc00cf854a8ecd8d003127a4178c28574ea, f837c7b85143a7c54140ff41ad5c076b73cd9933, 1da5c73f3793b224696617a2a21def7500ba18d6, b0e2333a231107adedd38c6fcfe1adc6162716fc, 5.15.209, 6.1.175, 6.6.141, 6.8 |
| Linux/Linuxgeneric | 6.8 | 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: ALSA: hda/conexant: Fix missing error check for jack detection In cx_probe(), the return value of snd_hda_jack_detect_enable_callback() is ignored. This function returns a pointer, and if it fails (e.g., due to memory allocation failure), it returns an error pointer which must be checked using IS_ERR(). If the registration fails, the driver continues to probe, but the jack detection callback will not be registered. This can lead to a kernel crash later when the driver attempts to handle jack events or accesses the uninitialized structure. Check the return value using IS_ERR() and propagate the error via PTR_ERR() to the probe caller.
Quoted source text, attributed separately from HOL analysis.