CVE-2022-48756: drm/msm/dsi: invalid parameter check in msm_dsi_phy_enable
Vulnerability summary
CVE-2022-48756 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.3% 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 12 · Related 12Timeline
- 20-06-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: invalid parameter check in msm_dsi_phy_enable The function performs a check on the "phy" input parameter, however, it is used before the check. Initialize the "dev" variable after the sanity check to avoid a possible NULL pointer dereference. Addresses-Coverity-ID: 1493860 ("Null pointer dereference")
CVSS metrics
3 scores · 3 sources · 1 version- 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
0.21%
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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu89 products
- linuxAll versions (No fix recorded) | < 4.15.0-176.185 | < 5.4.0-109.123
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1127.136 | < 5.4.0-1072.77
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 5c8290284402bf7d2c12269402b3177b899c78b7, < 6d9f8ba28f3747ca0f910a363e46f1114856dbbe | ≥ 5c8290284402bf7d2c12269402b3177b899c78b7, < ca63eeb70fcb53c42e1fe54e1735a54d8e7759fd | ≥ 5c8290284402bf7d2c12269402b3177b899c78b7, < 581317b1f001b7509041544d7019b75571daa100 | ≥ 5c8290284402bf7d2c12269402b3177b899c78b7, < 79c0b5287ded74f4eacde4dfd8aa0a76cbd853b5 | ≥ 5c8290284402bf7d2c12269402b3177b899c78b7, < 56480fb10b976581a363fd168dc2e4fbee87a1a7 | ≥ 5c8290284402bf7d2c12269402b3177b899c78b7, < 2b7e7df1eacd280e561ede3e977853606871c951 | ≥ 5c8290284402bf7d2c12269402b3177b899c78b7, < 5e761a2287234bc402ba7ef07129f5103bcd775c | 4.3
- linux_kernel≥ 4.3, < 4.14.265 | ≥ 4.15, < 4.19.228 | ≥ 4.20, < 5.4.176 | ≥ 5.5, < 5.10.96 | ≥ 5.11, < 5.15.19 | ≥ 5.16, < 5.16.5 | 5.17:rc1
Debian1 product
- linux< 5.16.7-1
3 vendors · 92 products