01 Record

CVE-2023-52564

Revert "tty: n_gsm: fix UAF in gsm_cleanup_mux"

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

Revert "tty: n_gsm: fix UAF in gsm_cleanup_mux"

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 14.8% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2024-03-02 21:59Z2 YR AGO

Last updated

2026-05-23 15:26Z5 MO AGO

Reserved

2024-03-02

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-476NULL Pointer DereferenceBase
CWE-416Use After FreeVariant

Data version

5.2

Document digest

0916a0c38a1872fd48845202eeab8812abb8a71b712c7cd929892c3011d548d3

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux8fc0eabaa73bbd9bd705577071564616da5c8c61 to < 6d5c8862932d31a810b6545f7d69ecc124402c6e, 5138c228311a863c3cf937b94a3ab4c87f1f70c4 to < a48d2bcd23f2c98d575bc2f9b7a3fbd16aeea9eb, 9615ca54bc138e35353a001e8b5d4824dce72188 to < c61d0b87a7028c2c10faffc524d748334c7b9827, 9b9c8195f3f0d74a826077fc1c01b9ee74907239 to < 2bff660e0ff349dee84dc4f6f6d10da4497f5b28, 9b9c8195f3f0d74a826077fc1c01b9ee74907239 to < 29346e217b8ab8a52889b88f00b268278d6b7668, 74a8d6f50cc90ed0061997db51dfa81a62b0f835, 5.10.190 to < 5.10.198, 5.15.124 to < 5.15.134, 6.1.43 to < 6.1.56, 6.4.8 to < 6.5, 6.5—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/6d5c8862932d31a810b6545f7d69ecc124402c6e
git.kernel.orghttps://git.kernel.org/stable/c/a48d2bcd23f2c98d575bc2f9b7a3fbd16aeea9eb
git.kernel.orghttps://git.kernel.org/stable/c/c61d0b87a7028c2c10faffc524d748334c7b9827
git.kernel.orghttps://git.kernel.org/stable/c/2bff660e0ff349dee84dc4f6f6d10da4497f5b28
git.kernel.orghttps://git.kernel.org/stable/c/29346e217b8ab8a52889b88f00b268278d6b7668

07 Fixed in

Debian 12

linux
Fixed in 6.1.64-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

linux
Fixed in 6.5.6-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

linux
Fixed in 6.5.6-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.