cve/2024/CVE-2024-49994.md
2025-09-29 21:09:30 +02:00

1.2 KiB

CVE-2024-49994

Description

In the Linux kernel, the following vulnerability has been resolved:block: fix integer overflow in BLKSECDISCARDI independently rediscovered commit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155 block: fix overflow in blk_ioctl_discard()but for secure erase.Same problem: uint64_t r[2] = {512, 18446744073709551104ULL}; ioctl(fd, BLKSECDISCARD, r);will enter near infinite loop inside blkdev_issue_secure_erase(): a.out: attempt to access beyond end of device loop0: rw=5, sector=3399043073, nr_sectors = 1024 limit=2048 bio_check_eod: 3286214 callbacks suppressed

POC

Reference

No PoCs from references.

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