CVE-2023-53788: ALSA: hda/ca0132: fixup buffer overrun at tuning_ctl_set()
Vulnerability summary
CVE-2023-53788 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.2% of scored vulnerabilities.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 09-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/ca0132: fixup buffer overrun at tuning_ctl_set() tuning_ctl_set() might have buffer overrun at (X) if it didn't break from loop by matching (A). static int tuning_ctl_set(...) { for (i = 0; i < TUNING_CTLS_COUNT; i++) (A) if (nid == ca0132_tuning_ctls[i].nid) break; snd_hda_power_up(...); (X) dspio_set_param(..., ca0132_tuning_ctls[i].mid, ...); snd_hda_power_down(...); ^ return 1; } We will get below error by cppcheck sound/pci/hda/patch_ca0132.c:4229:2: note: After for loop, i has value 12 for (i = 0; i < TUNING_CTLS_COUNT; i++) ^ sound/pci/hda/patch_ca0132.c:4234:43: note: Array index out of bounds dspio_set_param(codec, ca0132_tuning_ctls[i].mid, 0x20, ^ This patch cares non match case.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.21% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: not stated in public data.
Ubuntu125 products
- linuxAll versions (No fix recorded) | < 5.4.0-156.173 | < 5.15.0-79.86
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1107.115 | < 5.15.0-1042.47
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.25-1
Linux1 product
- linux≥ 44f0c9782cc6ab71ea947f8f710a46f2078a151c, < ff5e8b49348f6a550c136b74efaf8b3c1d3ceaea | ≥ 44f0c9782cc6ab71ea947f8f710a46f2078a151c, < 3590498117a11aa1f92a97e8a04d95320e347ebd | ≥ 44f0c9782cc6ab71ea947f8f710a46f2078a151c, < 7f12f99b8017ad5ed5aff4b0aefe3bb7bbdf8a99 | ≥ 44f0c9782cc6ab71ea947f8f710a46f2078a151c, < baef27176ea5fdc7ad0947e2dc7733855e35db71 | ≥ 44f0c9782cc6ab71ea947f8f710a46f2078a151c, < d23f65f08247068576a01e28b297e995b7dc3965 | ≥ 44f0c9782cc6ab71ea947f8f710a46f2078a151c, < 32854bc91ae7debcdefdc7ae881ed83385a04792 | ≥ 44f0c9782cc6ab71ea947f8f710a46f2078a151c, < 734a3deb6614e3597e7e9ef7fb6006c593c5ee18 | ≥ 44f0c9782cc6ab71ea947f8f710a46f2078a151c, < 98e5eb110095ec77cb6d775051d181edbf9cd3cf | 3.9
3 vendors · 127 products