CVE-2022-49491: drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()
Vulnerability summary
CVE-2022-49491 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20% 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 7 · Related 7Timeline
- 26-02-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: vop: fix possible null-ptr-deref in vop_bind() It will cause null-ptr-deref in resource_size(), if platform_get_resource() returns NULL, move calling resource_size() after devm_ioremap_resource() that will check 'res' to avoid null-ptr-deref.
CVSS metrics
4 scores · 4 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
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.28% 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.
Ubuntu111 products
- linuxAll versions (No fix recorded) | < 4.15.0-192.203 | < 5.4.0-126.142 | < 5.15.0-47.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1140.151 | < 5.4.0-1085.92 | < 5.15.0-1019.23
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 2048e3286f347db5667708e47448176b5329e8d8, < 452922955df215a417c80d09dab72bbc667a1861 | ≥ 2048e3286f347db5667708e47448176b5329e8d8, < fcd6a886443730c39170b8383411e52118aec0a3 | ≥ 2048e3286f347db5667708e47448176b5329e8d8, < 6ff986e057bf28e2f7690dad410768b2270f9453 | ≥ 2048e3286f347db5667708e47448176b5329e8d8, < a9b4599665e437de8a1152799c34841b799a2e1c | ≥ 2048e3286f347db5667708e47448176b5329e8d8, < 3451852312303d54a003c73bd0ae39cebb960bd5 | ≥ 2048e3286f347db5667708e47448176b5329e8d8, < b54926bd558d97c888c3d2d87886f3c159d3254a | ≥ 2048e3286f347db5667708e47448176b5329e8d8, < 769c53bb6116d0eaec0f1fe4ec4b27a74465cad1 | ≥ 2048e3286f347db5667708e47448176b5329e8d8, < ecfa52654d0c9c333c1fe1611f47105f6bce9591 | ≥ 2048e3286f347db5667708e47448176b5329e8d8, < f8c242908ad15bbd604d3bcb54961b7d454c43f8 | 3.19
- linux_kernel≥ 3.19, < 4.9.318 | ≥ 4.10, < 4.14.283 | ≥ 4.15, < 4.19.247 | ≥ 4.20, < 5.4.198 | ≥ 5.5, < 5.10.121 | ≥ 5.11, < 5.15.46 | ≥ 5.16, < 5.17.14 | ≥ 5.18, < 5.18.3
Debian1 product
- linux< 5.18.5-1
3 vendors · 114 products
