CVE-2024-38549: drm/mediatek: Add 0 size check to mtk_drm_gem_obj
First published: Wed Jun 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Add 0 size check to mtk_drm_gem_obj Add a check to mtk_drm_gem_init if we attempt to allocate a GEM object of 0 bytes. Currently, no such check exists and the kernel will panic if a userspace application attempts to allocate a 0x0 GBM buffer. Tested by attempting to allocate a 0x0 GBM buffer on an MT8188 and verifying that we now return EINVAL.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=4.7<4.19.316 | |
| Linux Linux kernel | >=4.20<5.4.278 | |
| Linux Linux kernel | >=5.5<5.10.219 | |
| Linux Linux kernel | >=5.11<5.15.161 | |
| Linux Linux kernel | >=5.16<6.1.93 | |
| Linux Linux kernel | >=6.2<6.6.33 | |
| Linux Linux kernel | >=6.7<6.8.12 | |
| Linux Linux kernel | >=6.9<6.9.3 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.3-1 |
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Reference Links
- https://git.kernel.org/stable/c/0e3b6f9123726858cac299e1654e3d20424cabe4
- https://git.kernel.org/stable/c/13562c2d48c9ee330de1077d00146742be368f05
- https://git.kernel.org/stable/c/1e4350095e8ab2577ee05f8c3b044e661b5af9a0
- https://git.kernel.org/stable/c/79078880795478d551a05acc41f957700030d364
- https://git.kernel.org/stable/c/9489951e3ae505534c4013db4e76b1b5a3151ac7
- https://git.kernel.org/stable/c/af26ea99019caee1500bf7e60c861136c0bf8594
- https://git.kernel.org/stable/c/be34a1b351ea7faeb15dde8c44fe89de3980ae67
- https://git.kernel.org/stable/c/d17b75ee9c2e44d3a3682c4ea5ab713ea6073350
- https://git.kernel.org/stable/c/fb4aabdb1b48c25d9e1ee28f89440fd2ce556405
- https://launchpad.net/bugs/cve/CVE-2024-38549
- https://git.kernel.org/linus/1e4350095e8ab2577ee05f8c3b044e661b5af9a0
- https://security-tracker.debian.org/tracker/CVE-2024-38549
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-38549
- https://nvd.nist.gov/vuln/detail/CVE-2024-38549
- https://ubuntu.com/security/CVE-2024-38549
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