CVE-2024-49994
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
block: fix integer overflow in BLKSECDISCARD
I independently rediscovered
but for secure erase.
Same problem:
will enter near infinite loop inside blkdev_issue_secure_erase():
Detalles técnicos trazas, registros y código del informe original
commit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155
block: fix overflow in blk_ioctl_discard()
uint64_t r[2] = {512, 18446744073709551104ULL};
ioctl(fd, BLKSECDISCARD, r);
a.out: attempt to access beyond end of device
loop0: rw=5, sector=3399043073, nr_sectors = 1024 limit=2048
bio_check_eod: 3286214 callbacks suppressedCVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.24%
- Percentil entre todas las CVEs puntuadas: 14
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-190
Referencias
- https://git.kernel.org/stable/c/0842ddd83939eb4db940b9af7d39e79722bc41aa
- https://git.kernel.org/stable/c/697ba0b6ec4ae04afb67d3911799b5e2043b4455
- https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3d
- https://git.kernel.org/stable/c/8476f8428e8b48fd7a0e4258fa2a96a8f4468239
- https://git.kernel.org/stable/c/a99bacb35c1416355eef957560e8fcac3a665549
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
JSON original (NVD)
Mostrar
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