CVE-2023-53990
In the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifs_del_deferred_close function has a critical section which modifies the deferred close file list.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.15%). 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: SMB3: Add missing locks to protect deferred close file list cifs_del_deferred_close function has a critical section which modifies the deferred close file list. We must acquire deferred_lock before calling cifs_del_deferred_close function.
- 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
- 0.15% probability · 4th percentile
- CISA KEV
- Not listed
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/0f87e18203bd30f71eb1a65259e28e291b6cc43a
- https://git.kernel.org/stable/c/32a046ccaeea6c19965c04a4c521e703f6607924
- https://git.kernel.org/stable/c/3aa9d065b0685b4e6052f3f2a2462966fdc44fd2
- https://git.kernel.org/stable/c/ab9ddc87a9055c4bebd6524d5d761d605d52e557
- https://git.kernel.org/stable/c/cb36365dac25d546ca4af0eb22acb43c9b4ddfdf
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.