CVE-2022-50440
drm/vmwgfx: Validate the box size for the snooped cursor
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate the box size for the snooped cursor Invalid userspace dma surface copies could potentially overflow the memcpy from the surface to the snooped image leading to crashes. To fix it the dimensions of the copybox have to be validated against the expected size of the snooped cursor.
Timeline
ID reserved
By Linux
- 14 days later
· 14 days later
Published
- 13 months later
· 13 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.17% · top 93% of all CVEs (8 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected 2ac863719e518ae1a8f328849e64ea26a222f079 – < ee8d31836cbe7c26e207bfa0a4a726f0a25cfcf6
- affected 2ac863719e518ae1a8f328849e64ea26a222f079 – < 50d177f90b63ea4138560e500d92be5e4c928186
- affected 2ac863719e518ae1a8f328849e64ea26a222f079 – < 6b4e70a428b5a11f56db94047b68e144529fe512
- affected 2ac863719e518ae1a8f328849e64ea26a222f079 – < 94b283341f9f3f0ed56a360533766377a01540e0
- affected 2ac863719e518ae1a8f328849e64ea26a222f079 – < 439cbbc1519547f9a7b483f0de33b556ebfec901
- affected 2ac863719e518ae1a8f328849e64ea26a222f079 – < 6948e570f54f2044dd4da444b10471373a047eeb
- affected 2ac863719e518ae1a8f328849e64ea26a222f079 – < 4d54d11b49860686331c58a00f733b16a93edfc4
- affected 2ac863719e518ae1a8f328849e64ea26a222f079 – < 622d527decaac0eb65512acada935a0fdc1d0202
- affected 2ac863719e518ae1a8f328849e64ea26a222f079 – < 4cf949c7fafe21e085a4ee386bb2dade9067316e
- affected 3.2
- unaffected < 3.2
- unaffected 4.9.337 – ≤ 4.9.*
- unaffected 4.14.303 – ≤ 4.14.*
- unaffected 4.19.270 – ≤ 4.19.*
- unaffected 5.4.229 – ≤ 5.4.*
- unaffected 5.10.163 – ≤ 5.10.*
- unaffected 5.15.87 – ≤ 5.15.*
- unaffected 6.0.18 – ≤ 6.0.*
- unaffected 6.1.4 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (9)
- https://git.kernel.org/stable/c/ee8d31836cbe7c26e207bfa0a4a726f0a25cfcf6 (opens in a new tab)
- https://git.kernel.org/stable/c/50d177f90b63ea4138560e500d92be5e4c928186 (opens in a new tab)
- https://git.kernel.org/stable/c/6b4e70a428b5a11f56db94047b68e144529fe512 (opens in a new tab)
- https://git.kernel.org/stable/c/94b283341f9f3f0ed56a360533766377a01540e0 (opens in a new tab)
- https://git.kernel.org/stable/c/439cbbc1519547f9a7b483f0de33b556ebfec901 (opens in a new tab)
- https://git.kernel.org/stable/c/6948e570f54f2044dd4da444b10471373a047eeb (opens in a new tab)
- https://git.kernel.org/stable/c/4d54d11b49860686331c58a00f733b16a93edfc4 (opens in a new tab)
- https://git.kernel.org/stable/c/622d527decaac0eb65512acada935a0fdc1d0202 (opens in a new tab)
- https://git.kernel.org/stable/c/4cf949c7fafe21e085a4ee386bb2dade9067316e (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-50440)Record last updated .