Vulnerability Details CVE-2023-31085
An issue was discovered in drivers/mtd/ubi/cdev.c in the Linux kernel 6.2. There is a divide-by-zero error in do_div(sz,mtd->erasesize), used indirectly by ctrl_cdev_ioctl, when mtd->erasesize is 0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.2%
CVSS Severity
CVSS v3 Score 5.5
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=017c73a34a661a861712f7cc1393a123e5b2208c
- https://lore.kernel.org/all/687864524.118195.1681799447034.JavaMail.zimbra%40nod.at/
- https://security.netapp.com/advisory/ntap-20230929-0003/
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=017c73a34a661a861712f7cc1393a123e5b2208c
- https://lore.kernel.org/all/687864524.118195.1681799447034.JavaMail.zimbra%40nod.at/
- https://security.netapp.com/advisory/ntap-20230929-0003/
Products affected by CVE-2023-31085
-
cpe:2.3:o:linux:linux_kernel:6.2