CVE-2024-50218
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: pass u64 to ocfs2_truncate_inline maybe overflow
Syzbot reported a kernel BUG in ocfs2_truncate_inline. There are two reasons for this: first, the parameter value passed is greater than ocfs2_max_inline_data_with_xattr, second, the start and end parameters of ocfs2_truncate_inline are "unsigned int".
So, we need to add a sanity check for byte_start and byte_len right before ocfs2_truncate_inline() in ocfs2_remove_inode_range(), if they are greater than ocfs2_max_inline_data_with_xattr return -EINVAL.
CVSS
- 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: 0.27%
- Percentil entre todas las CVEs puntuadas: 18
- Fecha de la puntuación: 6/10/2026
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
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/0b6b8c2055784261de3fb641c5d0d63964318e8f
- https://git.kernel.org/stable/c/27d95867bee806cdc448d122bd99f1d8b0544035
- https://git.kernel.org/stable/c/2fe5d62e122b040ce7fc4d31aa7fa96ae328cefc
- https://git.kernel.org/stable/c/70767689ec6ee5f05fb0a2c17d7ec1927946e486
- https://git.kernel.org/stable/c/88f97a4b5843ce21c1286e082c02a5fb4d8eb473
- https://git.kernel.org/stable/c/95fbed8ae8c32c0977e6be1721c190d8fea23f2f
- https://git.kernel.org/stable/c/bc0a2f3a73fcdac651fca64df39306d1e5ebe3b0
- https://git.kernel.org/stable/c/ecd62f684386fa64f9c0cea92eea361f4e6444c2
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: pass u64 to ocfs2_truncate_inline maybe overflow\n\nSyzbot reported a kernel BUG in ocfs2_truncate_inline. There are two\nreasons for this: first, the parameter value passed is greater than\nocfs2_max_inline_data_with_xattr, second, the start and end parameters of\nocfs2_truncate_inline are \"unsigned int\".\n\nSo, we need to add a sanity check for byte_start and byte_len right before\nocfs2_truncate_inline() in ocfs2_remove_inode_range(), if they are greater\nthan ocfs2_max_inline_data_with_xattr return -EINVAL."
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