CVE-2024-49994

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Source
https://cve.org/CVERecord?id=CVE-2024-49994
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-49994.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-49994
Downstream
Related
Published
2024-10-21T18:02:35.722Z
Modified
2026-03-12T02:19:39.361026Z
Summary
block: fix integer overflow in BLKSECDISCARD
Details

In the Linux kernel, the following vulnerability has been resolved:

block: fix integer overflow in BLKSECDISCARD

I 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 blkdevissuesecure_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
Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49994.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
44abff2c0b970ae3d310b97617525dc01f248d7c
Fixed
8476f8428e8b48fd7a0e4258fa2a96a8f4468239
Fixed
a99bacb35c1416355eef957560e8fcac3a665549
Fixed
0842ddd83939eb4db940b9af7d39e79722bc41aa
Fixed
6c9915fa9410cbb9bd75ee283c03120046c56d3d
Fixed
697ba0b6ec4ae04afb67d3911799b5e2043b4455

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-49994.json"