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Debian Security Bug TrackerDEBIANCVE:CVE-2023-4389HistoryAug 16, 2023 - 7:15 p.m.
CVE-2023-4389
2023-08-1619:15:10
Debian Security Bug Tracker
security-tracker.debian.org
15
btrfs
filesystem
local attacker
crash
system
CVSS3
7.1
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS
0
Percentile
5.1%
A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | linux | < 5.17.6-1 | linux_5.17.6-1_all.deb |
| Debian | 11 | all | linux | < 5.10.113-1 | linux_5.10.113-1_all.deb |
| Debian | 999 | all | linux | < 5.17.6-1 | linux_5.17.6-1_all.deb |
| Debian | 13 | all | linux | < 5.17.6-1 | linux_5.17.6-1_all.deb |
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CVSS3
7.1
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS
0
Percentile
5.1%
Related for DEBIANCVE:CVE-2023-4389