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nvd[email protected]NVD:CVE-2023-0458
HistoryApr 26, 2023 - 7:15 p.m.

CVE-2023-0458

2023-04-2619:15:08
CWE-476
web.nvd.nist.gov
speculative pointer dereference
linux kernel
resource control
pointer arithmetic
information leak
upgrade recommendation

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

6.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.1%

A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the β€˜rlim’ variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commitΒ 739790605705ddcf18f21782b9c99ad7d53a8c11

Affected configurations

NVD
Node
linuxlinux_kernelRange<6.1.8
OR
linuxlinux_kernelMatch6.2rc1
OR
linuxlinux_kernelMatch6.2rc2
OR
linuxlinux_kernelMatch6.2rc3
OR
linuxlinux_kernelMatch6.2rc4
Node
debiandebian_linuxMatch10.0

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

6.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.1%