CVE-2022-50437: drm/msm/hdmi: fix memory corruption with too many bridges
Vulnerability summary
CVE-2022-50437 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.1% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 01-10-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: fix memory corruption with too many bridges Add the missing sanity check on the bridge counter to avoid corrupting data beyond the fixed-sized bridge array in case there are ever more than eight bridges. Patchwork: https://patchwork.freedesktop.org/patch/502670/
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.16% 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.
Ubuntu119 products
- linuxAll versions (No fix recorded) | < 4.15.0-204.215 | < 5.4.0-139.156 | < 5.15.0-60.66
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1150.163 | < 5.4.0-1096.104 | < 5.15.0-1030.34
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ a3376e3ec81c5dd0622cbc187db76d2824d31c1c, < a9c1a6991a9b5aa6d0f2cbc9b8c3bf6c4d094dfa | ≥ a3376e3ec81c5dd0622cbc187db76d2824d31c1c, < e8f916b84e4b028ecad6c6472eaad543cc7df806 | ≥ a3376e3ec81c5dd0622cbc187db76d2824d31c1c, < 3c43f3ec731c233eb84b66199ee76dbf3ec6ecae | ≥ a3376e3ec81c5dd0622cbc187db76d2824d31c1c, < ed7f1ff87a4afea1bc220d2ff00a7ce8e61f0b53 | ≥ a3376e3ec81c5dd0622cbc187db76d2824d31c1c, < 08c7375fa27a8ceee028868e03ffb3a0db919d44 | ≥ a3376e3ec81c5dd0622cbc187db76d2824d31c1c, < b48949ab451eaf1e2c04c272c8a9a96a2b56546f | ≥ a3376e3ec81c5dd0622cbc187db76d2824d31c1c, < 9efb45b45ff6254bfd1f1997a06725cb3fc998a5 | ≥ a3376e3ec81c5dd0622cbc187db76d2824d31c1c, < 4c1294da6aed1f16d47a417dcfe6602833c3c95c | 3.12
- linux_kernel≥ 3.12, < 4.9.332 | ≥ 4.10, < 4.14.298 | ≥ 4.15, < 4.19.264 | ≥ 4.20, < 5.4.223 | ≥ 5.5, < 5.10.153 | ≥ 5.11, < 5.15.77 | ≥ 5.16, < 6.0.7 | 6.1:rc1 | 6.1:rc2
Debian1 product
- linux< 6.0.7-1
3 vendors · 122 products