7.8

CVE-2023-53676

scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()

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

scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()

The function lio_target_nacl_info_show() uses sprintf() in a loop to print
details for every iSCSI connection in a session without checking for the
buffer length. With enough iSCSI connections it's possible to overflow the
buffer provided by configfs and corrupt the memory.

This patch replaces sprintf() with sysfs_emit_at() that checks for buffer
boundries.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 3.1 < 4.14.326
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.295
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.257
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.197
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.133
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.55
Linux ≫ Linux Kernel Version >= 6.2 < 6.5.5
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.055
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://git.kernel.org/stable/c/df349e84c2cb0dd05d98c8e1189c26ab4b116083
Patch
https://git.kernel.org/stable/c/114b44dddea1f8f99576de3c0e6e9059012002fc
Patch
https://git.kernel.org/stable/c/2cbe6a88fbdd6e8aeab358eef61472e2de43d6f6
Patch
https://git.kernel.org/stable/c/bbe3ff47bf09db8956bc2eeb49d2d514d256ad2a
Patch
https://git.kernel.org/stable/c/5353df78c22623b42a71d51226d228a8413097e2
Patch
https://git.kernel.org/stable/c/4738bf8b2d3635c2944b81b2a84d97b8c8b0978d
Patch
https://git.kernel.org/stable/c/0cac6cbb9908309352a5d30c1876882771d3da50
Patch
https://git.kernel.org/stable/c/801f287c93ff95582b0a2d2163f12870a2f076d4
Patch