CVE-2024-56626
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Out-of-Bounds Write in ksmbd_vfs_stream_write An offset from client could be a negative value, It could allows to write data outside the bounds of the allocated buffer.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Out-of-Bounds Write in ksmbd_vfs_stream_write An offset from client could be a negative value, It could allows to write data outside the bounds of the allocated buffer. Note that this issue is coming when setting 'vfs objects = streams_xattr parameter' in ksmbd.conf.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/164d3597d26d9acff5d5b8bc3208bdcca942dd6aPatch
- https://git.kernel.org/stable/c/1aea5c9470be2c7129704fb1b9562b1e3e0576f8Patch
- https://git.kernel.org/stable/c/313dab082289e460391c82d855430ec8a28ddf81Patch
- https://git.kernel.org/stable/c/8cd7490fc0f268883e86e840cda5311257af69caPatch
- https://git.kernel.org/stable/c/c5797f195c67132d061d29c57a7c6d30530686f0Patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.