描述
Found Linux Kernel flaw in the i740 driver. The Userspace program could pass any values to the driver through ioctl() interface. The driver doesn't check the value of 'pixclock', so it may cause a divide by zero error.
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受影响产品
linuxlinux_kernel
5.18
debiandebian_linux
10.0
debiandebian_linux
11.0
参考资料
- https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/commit/?id=15cf0b82271b1823fb02ab8c377badba614d95d5Mailing ListPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing ListThird Party Advisory
- https://www.debian.org/security/2022/dsa-5257Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/commit/?id=15cf0b82271b1823fb02ab8c377badba614d95d5Mailing ListPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing ListThird Party Advisory
- https://www.debian.org/security/2022/dsa-5257Third Party Advisory