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CVE-2023-52746
AST
Medium

In the Linux kernel, the following vulnerability has been resolved: xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()…

CVSS
5.5
Medium
EPSS
0.00
p4
Published
2023-01-01
Updated
2023-01-01
Description

In the Linux kernel, the following vulnerability has been resolved: xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr() int type = nla_type(nla); if (type > XFRMA_MAX) { return -EOPNOTSUPP; } @type is then used as an array index and can be used as a Spectre v1 gadget. if (nla_len(nla) < compat_policy[type].len) { array_index_nospec() can be used to prevent leaking content of kernel memory to malicious users.

Tags · CWE
CWE-1300
CWE-401
CAPEC-189
CAPEC-699
Affected products
LinuxLinuxLinuxLinuxLinuxLinuxLinuxLinuxLinuxLinuxLinuxLinux-5.10Linux-5.15Linux-allwinner-5.19Linux-awsLinux-awsLinux-awsLinux-awsLinux-awsLinux-aws
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Timeline
2023-01-01
Published
2023-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: L
Local (L)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: L
Low (L)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: N
None (N)
Integrity Impact
I: N
None (N)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.000 · p4
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected software
ProductVendorStatus
linuxTracked
linuxTracked
linuxTracked
linuxTracked
linuxTracked
linuxTracked
linuxTracked
linuxTracked
linuxTracked
linuxTracked
linuxTracked
linux-5.10Tracked
linux-5.15Tracked
linux-allwinner-5.19Tracked
linux-awsTracked
linux-awsTracked
linux-awsTracked
linux-awsTracked
linux-awsTracked
linux-awsTracked
Source databases
AST
DEB
CVE
UBU
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