CVE-2022-48992: ASoC: soc-pcm: Add NULL check in BE reparenting
Vulnerability summary
CVE-2022-48992 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.6% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 9 · Related 7Timeline
- 21-10-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-pcm: Add NULL check in BE reparenting Add NULL check in dpcm_be_reparent API, to handle kernel NULL pointer dereference error. The issue occurred in fuzzing test.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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 catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Ubuntu114 products
- linuxAll versions (No fix recorded) | < 4.15.0-206.217 | < 5.4.0-144.161 | < 5.15.0-67.74
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1151.164 | < 5.4.0-1097.105 | < 5.15.0-1031.35
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 01d7584cd2e5a93a2b959c9dddaa0d93ec205404, < 0760acc2e6598ad4f7bd3662db2d907ef0838139 | ≥ 01d7584cd2e5a93a2b959c9dddaa0d93ec205404, < d4dd21a79dbb862d2ebcf9ed90e646416009ff0d | ≥ 01d7584cd2e5a93a2b959c9dddaa0d93ec205404, < e7166d6821c15f3516bcac8ae3f155924da1908c | ≥ 01d7584cd2e5a93a2b959c9dddaa0d93ec205404, < f2ba66d8738584d124aff4e760ed1337f5f6dfb6 | ≥ 01d7584cd2e5a93a2b959c9dddaa0d93ec205404, < f6f45e538328df9ce66aa61bafee1a5717c4b700 | ≥ 01d7584cd2e5a93a2b959c9dddaa0d93ec205404, < 9f74b9aa8d58c18927bb9b65dd5ba70a5fd61615 | ≥ 01d7584cd2e5a93a2b959c9dddaa0d93ec205404, < 34a9796bf0684bfd54e96a142560d560c21c983b | ≥ 01d7584cd2e5a93a2b959c9dddaa0d93ec205404, < db8f91d424fe0ea6db337aca8bc05908bbce1498 | 3.5
- linux_kernel< 4.9.336 | ≥ 4.10, < 4.14.302 | ≥ 4.15, < 4.19.269 | ≥ 4.20, < 5.4.227 | ≥ 5.5, < 5.10.159 | ≥ 5.11, < 5.15.83 | ≥ 5.16, < 6.0.13 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5 | 6.1:rc6
Debian1 product
- linux< 6.1.4-1
3 vendors · 117 products
