DEBIAN-CVE-2025-52536

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Source
https://security-tracker.debian.org/tracker/CVE-2025-52536
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-52536.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2025-52536
Upstream
  • CVE-2025-52536
Published
2026-02-10T20:16:46.320Z
Modified
2026-04-28T20:30:38.018670Z
Severity
  • 6.7 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

Improper Prevention of Lock Bit Modification in SEV firmware could allow a privileged attacker to downgrade firmware potentially resulting in a loss of integrity.

References

Affected packages

Debian:11 / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/debian/amd64-microcode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.20120117-1
1.*
1.20120117-1
1.20120117-2~bpo60+1
1.20120117-2
1.20120910-1~bpo60+1
1.20120910-1
1.20120910-2~bpo60+1
1.20120910-2
1.20120910-3
1.20141028.1
1.20160316.1
2.*
2.20120910-1~bpo70+1
2.20120910-1
2.20131007.1
2.20131007.1+really20130710.1
2.20141028.1~bpo70+1
2.20141028.1
2.20160316.1~bpo70+1
2.20160316.1~deb8u1
2.20160316.1
3.*
3.20160316.1
3.20160316.2
3.20160316.3
3.20171205.1
3.20171205.2
3.20180515.1
3.20180524.1~bpo9+1
3.20180524.1
3.20181128.1~bpo9+1
3.20181128.1~deb8u1
3.20181128.1~deb9u1
3.20181128.1~deb9u2
3.20181128.1
3.20191021.1
3.20191218.1
3.20220411.1
3.20220411.2
3.20230414.1
3.20230719.1~deb10u1
3.20230719.1~deb11u1
3.20230719.1~deb12u1
3.20230719.1
3.20230808.1
3.20230808.1.1~deb11u1
3.20230808.1.1~deb12u1
3.20230808.1.1
3.20230823.1
3.20231019.1
3.20240116.2
3.20240116.2+nmu1
3.20240710.1
3.20240710.2~deb11u1
3.20240710.2~deb12u1
3.20240710.2
3.20240820.1~deb11u1
3.20240820.1~deb12u1
3.20240820.1
3.20250311.1~deb11u1
3.20250311.1~deb12u1
3.20250311.1
3.20251202.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-52536.json"

Debian:12 / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/debian/amd64-microcode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.20120117-1
1.*
1.20120117-1
1.20120117-2~bpo60+1
1.20120117-2
1.20120910-1~bpo60+1
1.20120910-1
1.20120910-2~bpo60+1
1.20120910-2
1.20120910-3
1.20141028.1
1.20160316.1
2.*
2.20120910-1~bpo70+1
2.20120910-1
2.20131007.1
2.20131007.1+really20130710.1
2.20141028.1~bpo70+1
2.20141028.1
2.20160316.1~bpo70+1
2.20160316.1~deb8u1
2.20160316.1
3.*
3.20160316.1
3.20160316.2
3.20160316.3
3.20171205.1
3.20171205.2
3.20180515.1
3.20180524.1~bpo9+1
3.20180524.1
3.20181128.1~bpo9+1
3.20181128.1~deb8u1
3.20181128.1~deb9u1
3.20181128.1~deb9u2
3.20181128.1
3.20191021.1
3.20191218.1
3.20220411.1
3.20220411.2
3.20230414.1
3.20230719.1~deb10u1
3.20230719.1~deb11u1
3.20230719.1~deb12u1
3.20230719.1
3.20230808.1
3.20230808.1.1~deb11u1
3.20230808.1.1~deb12u1
3.20230808.1.1
3.20230823.1
3.20231019.1
3.20240116.2
3.20240116.2+nmu1
3.20240710.1
3.20240710.2~deb11u1
3.20240710.2~deb12u1
3.20240710.2
3.20240820.1~deb11u1
3.20240820.1~deb12u1
3.20240820.1
3.20250311.1~deb11u1
3.20250311.1~deb12u1
3.20250311.1
3.20251202.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-52536.json"

Debian:13 / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/debian/amd64-microcode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.20120117-1
1.*
1.20120117-1
1.20120117-2~bpo60+1
1.20120117-2
1.20120910-1~bpo60+1
1.20120910-1
1.20120910-2~bpo60+1
1.20120910-2
1.20120910-3
1.20141028.1
1.20160316.1
2.*
2.20120910-1~bpo70+1
2.20120910-1
2.20131007.1
2.20131007.1+really20130710.1
2.20141028.1~bpo70+1
2.20141028.1
2.20160316.1~bpo70+1
2.20160316.1~deb8u1
2.20160316.1
3.*
3.20160316.1
3.20160316.2
3.20160316.3
3.20171205.1
3.20171205.2
3.20180515.1
3.20180524.1~bpo9+1
3.20180524.1
3.20181128.1~bpo9+1
3.20181128.1~deb8u1
3.20181128.1~deb9u1
3.20181128.1~deb9u2
3.20181128.1
3.20191021.1
3.20191218.1
3.20220411.1
3.20220411.2
3.20230414.1
3.20230719.1~deb10u1
3.20230719.1~deb11u1
3.20230719.1~deb12u1
3.20230719.1
3.20230808.1
3.20230808.1.1~deb11u1
3.20230808.1.1~deb12u1
3.20230808.1.1
3.20230823.1
3.20231019.1
3.20240116.2
3.20240116.2+nmu1
3.20240710.1
3.20240710.2~deb11u1
3.20240710.2~deb12u1
3.20240710.2
3.20240820.1~deb11u1
3.20240820.1~deb12u1
3.20240820.1
3.20250311.1~deb11u1
3.20250311.1~deb12u1
3.20250311.1
3.20251202.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-52536.json"

Debian:14 / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/debian/amd64-microcode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.20120117-1
1.*
1.20120117-1
1.20120117-2~bpo60+1
1.20120117-2
1.20120910-1~bpo60+1
1.20120910-1
1.20120910-2~bpo60+1
1.20120910-2
1.20120910-3
1.20141028.1
1.20160316.1
2.*
2.20120910-1~bpo70+1
2.20120910-1
2.20131007.1
2.20131007.1+really20130710.1
2.20141028.1~bpo70+1
2.20141028.1
2.20160316.1~bpo70+1
2.20160316.1~deb8u1
2.20160316.1
3.*
3.20160316.1
3.20160316.2
3.20160316.3
3.20171205.1
3.20171205.2
3.20180515.1
3.20180524.1~bpo9+1
3.20180524.1
3.20181128.1~bpo9+1
3.20181128.1~deb8u1
3.20181128.1~deb9u1
3.20181128.1~deb9u2
3.20181128.1
3.20191021.1
3.20191218.1
3.20220411.1
3.20220411.2
3.20230414.1
3.20230719.1~deb10u1
3.20230719.1~deb11u1
3.20230719.1~deb12u1
3.20230719.1
3.20230808.1
3.20230808.1.1~deb11u1
3.20230808.1.1~deb12u1
3.20230808.1.1
3.20230823.1
3.20231019.1
3.20240116.2
3.20240116.2+nmu1
3.20240710.1
3.20240710.2~deb11u1
3.20240710.2~deb12u1
3.20240710.2
3.20240820.1~deb11u1
3.20240820.1~deb12u1
3.20240820.1
3.20250311.1~deb11u1
3.20250311.1~deb12u1
3.20250311.1
3.20251202.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-52536.json"