PT-2021-8159 · Linux+5 · Linux Kernel+5
Published
2021-10-18
·
Updated
2025-05-28
·
CVE-2021-47219
CVSS v3.1
7.1
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The vulnerability is related to an out-of-bound read in the
resp report tgtpgs() function. It was observed running syzkaller, which reported a slab-out-of-bounds error in memcpy and sg copy buffer. The issue occurs when userspace passes a large length, resulting in a negative alen value. The vulnerability can be exploited to cause a denial of service.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Out of bounds Read
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu