01 Record

CVE-2023-53216

arm64: efi: Make efi_rt_lock a raw_spinlock

HighPUBLISHEDCNA: Linux

CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

arm64: efi: Make efi_rt_lock a raw_spinlock

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 ImpacttotalSuccessful exploitation gives total 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

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 5.9% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Modified. 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

2025-09-15 14:21Z1 YR AGO

Last updated

2026-08-05 09:13Z2 MO AGO

Reserved

2025-09-15

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

CWE-821Incorrect SynchronizationBase

Data version

5.2

Document digest

b581cf6cdc814dd40fb3436ced1dfa9b3dae72d023ce5a48ede27b8c439864c2

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux4012603cbd469223f225637d265a233f034c567a to < 030b1c4217a4f504c7d0795a2bd86b7181e56f11, de2af657cab92afc13a4ccd8780370481ed0eb61 to < 6a72729ed6accc86dad5522895e8fa2f96642a2c, f75a91c82dc805af8f718ff106ec9c090234b37b to < 8b38969fa01662ec539a0d08a8ea5ec6f31fa4ed, ff7a167961d1b97e0e205f245f806e564d3505e7 to < 4e8f7d998b582a99aadedd07ae6086e99b89c97a, ff7a167961d1b97e0e205f245f806e564d3505e7 to < 0e68b5517d3767562889f1d83fdb828c26adb24f, 5.10.165 to < 5.10.175, 5.15.90 to < 5.15.103, 6.1.8 to < 6.1.18, 6.2—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/030b1c4217a4f504c7d0795a2bd86b7181e56f11
git.kernel.orghttps://git.kernel.org/stable/c/6a72729ed6accc86dad5522895e8fa2f96642a2c
git.kernel.orghttps://git.kernel.org/stable/c/8b38969fa01662ec539a0d08a8ea5ec6f31fa4ed
git.kernel.orghttps://git.kernel.org/stable/c/4e8f7d998b582a99aadedd07ae6086e99b89c97a
git.kernel.orghttps://git.kernel.org/stable/c/0e68b5517d3767562889f1d83fdb828c26adb24f

07 Fixed in

Debian 12

linux
Fixed in 6.1.20-1

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

Debian 13

linux
Fixed in 6.1.20-1

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

Debian 14

linux
Fixed in 6.1.20-1

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