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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2022-48754
HistoryJun 20, 2024 - 12:15 p.m.

CVE-2022-48754

2024-06-2012:15:13
Debian Security Bug Tracker
security-tracker.debian.org
5
phylib
use-after-free
cve-2022-48754
fix

CVSS3

8.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

0

Percentile

10.4%

In the Linux kernel, the following vulnerability has been resolved: phylib: fix potential use-after-free Commit bafbdd527d56 (“phylib: Add device reset GPIO support”) added call to phy_device_reset(phydev) after the put_device() call in phy_detach(). The comment before the put_device() call says that the phydev might go away with put_device(). Fix potential use-after-free by calling phy_device_reset() before put_device().

CVSS3

8.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

0

Percentile

10.4%