CVE-2026-43497 fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-after-free

🗓️ 21 May 2026 12:12:47Reported by GoogleType

osv🔗 osv.dev👁 6 Views

fbdev udlfb fix: add vm_ops to mmap and track mmap_count to prevent use-after-free and block framebuffer replacement while mapped.

Source	Link
git	www.git.kernel.org/stable/c/18dd358de72d57993422cbb5dfb29ccd74efe192
git	www.git.kernel.org/stable/c/4f312c30f0368e8d2a76aa650dff73f23490b5e7
git	www.git.kernel.org/stable/c/5931f5651ee32bd41b3323256b31fcc8e71336ed
git	www.git.kernel.org/stable/c/60f711cfd580f86fea8284146ac133804e728f9a
git	www.git.kernel.org/stable/c/8de779dc40d35d39fa07387b6f921eb11df0f511
git	www.git.kernel.org/stable/c/a2c53a3822ee26e8d758071815b9ed3bf6669fc1
git	www.git.kernel.org/stable/c/da9b065cedfd3b574f229d5be594e6aa47a27ae6
git	www.git.kernel.org/stable/c/e3d9865dacd7435b8465848428210d0f0c673311
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43497.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-43497

06 Aug 2026 03:31Current

6Medium risk

Vulners AI Score6

CVSS 3.17.3