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ubuntucveUbuntu.comUB:CVE-2022-41848
HistorySep 30, 2022 - 12:00 a.m.

CVE-2022-41848

2022-09-3000:00:00
ubuntu.com
ubuntu.com
25
linux kernel
race condition
use-after-free
pcmcia
mgslpc_ioctl
mgslpc_detach
physically proximate access

4.2 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

23.9%

drivers/char/pcmcia/synclink_cs.c in the Linux kernel through 5.19.12 has a
race condition and resultant use-after-free if a physically proximate
attacker removes a PCMCIA device while calling ioctl, aka a race condition
between mgslpc_ioctl and mgslpc_detach.

Notes

Author Note
sbeattie unfixed upstream as of 2023.01.10
cascardo requires physically proximate access to systems with PCMCIA

4.2 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

23.9%