Published: 24/04/2023 Updated: 25/03/2024

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 0

An issue exists 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.

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linux linux kernel 6.2

An issue was discovered in drivers/mtd/ubi/cdevc in the Linux kernel 62 There is a divide-by-zero error in do_div(sz,mtd->erasesize), used indirectly by ctrl_cdev_ioctl, when mtd->erasesize is 0 (CVE-2023-31085) A flaw in the kernel Xen event handler can cause a deadlock with Xen console handling in unprivileged Xen guests (CVE-2023-3432 ...

Critical Infrastructure Sectors: Critical Manufacturing

CWE-369 https://security.netapp.com/advisory/ntap-20230929-0003/https://lore.kernel.org/all/687864524.118195.1681799447034.JavaMail.zimbra%40nod.at/https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=017c73a34a661a861712f7cc1393a123e5b2208c https://nvd.nist.gov https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2023-055.html https://www.cisa.gov/news-events/ics-advisories/icsa-23-348-10

CVE-2023-31085

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