CVE-2022-48701: ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface()
Vulnerability summary
CVE-2022-48701 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.7% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 20 · Related 11Timeline
- 03-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface() There may be a bad USB audio device with a USB ID of (0x04fa, 0x4201) and the number of it's interfaces less than 4, an out-of-bounds read bug occurs when parsing the interface descriptor for this device. Fix this by checking the number of interfaces.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu102 products
- linuxAll versions (No fix recorded) | < 4.15.0-201.212 | < 5.4.0-136.153 | < 5.15.0-57.63
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1147.159 | < 5.4.0-1093.101 | < 5.15.0-1027.31
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ b9d43bcd061956c8144bcb453d07d13236b6ab28, < b970518014f2f0f6c493fb86c1e092b936899061 | ≥ b9d43bcd061956c8144bcb453d07d13236b6ab28, < 91904870370fd986c29719846ed76d559de43251 | ≥ b9d43bcd061956c8144bcb453d07d13236b6ab28, < 2a308e415d247a23d4d64c964c02e782eede2936 | ≥ b9d43bcd061956c8144bcb453d07d13236b6ab28, < 0492798bf8dfcc09c9337a1ba065da1d1ca68712 | ≥ b9d43bcd061956c8144bcb453d07d13236b6ab28, < 6123bec8480d23369e2ee0b2208611619f269faf | ≥ b9d43bcd061956c8144bcb453d07d13236b6ab28, < 98e8e67395cc6d0cdf3a771f86ea42d0ee6e59dd | ≥ b9d43bcd061956c8144bcb453d07d13236b6ab28, < 8293e61bbf908b18ff9935238d4fc2ad359e3fe0 | ≥ b9d43bcd061956c8144bcb453d07d13236b6ab28, < e53f47f6c1a56d2af728909f1cb894da6b43d9bf | 2.6.26
- linux_kernel< 4.9.328 | ≥ 4.10, < 4.14.293 | ≥ 4.15, < 4.19.258 | ≥ 4.20, < 5.4.213 | ≥ 5.5, < 5.10.143 | ≥ 5.11, < 5.15.68 | ≥ 5.16, < 5.19.9 | 6.0:rc1 | 6.0:rc2 | 6.0:rc3 | 6.0:rc4
Debian1 product
- linux< 5.19.11-1
3 vendors · 105 products