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CVE-2025-29934

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest...

5.3 MediumFix available

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

0.12%Up 0.1 points since Nov 22, 2025
90%50%10%1%

What each source reports

CVE List Score used 5.3

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.

Record
CVE-2025-29934
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Weakness
CWE-459
Updated
2026-11-02
EUVDEUVD-2025-198507 5.3

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.

Record
EUVD-2025-198507
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-4grc-qh9q-f57r 5.3

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest...

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.

Record
GHSA-4grc-qh9q-f57r
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Weakness
CWE-459
Updated
2026-11-02
NVD 5.3

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.

Record
CVE-2025-29934
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Weakness
CWE-459
Updated
2026-11-02
OSVDEBIAN-CVE-2025-29934 5.3

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.

Record
DEBIAN-CVE-2025-29934
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-03
OSVUBUNTU-CVE-2025-29934 5.3

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.

Record
UBUNTU-CVE-2025-29934
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
amd64-microcode
Debian:12
 All versions, plus listed versions
0.20120117-11.20120117-11.20120117-21.20120117-2~bpo60+11.20120910-1
Show 45 moreShow less
1.20120910-1~bpo60+11.20120910-21.20120910-2~bpo60+11.20120910-31.20141028.11.20160316.12.20120910-12.20120910-1~bpo70+12.20131007.12.20131007.1+really20130710.12.20141028.12.20141028.1~bpo70+12.20160316.12.20160316.1~bpo70+12.20160316.1~deb8u13.20160316.13.20160316.23.20160316.33.20171205.13.20171205.23.20180515.13.20180524.13.20180524.1~bpo9+13.20181128.13.20181128.1~bpo9+13.20181128.1~deb8u13.20181128.1~deb9u13.20181128.1~deb9u23.20191021.13.20191218.13.20220411.13.20220411.23.20230414.13.20230719.13.20230719.1~deb10u13.20230719.1~deb11u13.20230719.1~deb12u13.20230808.13.20230808.1.13.20230808.1.1~deb11u13.20230808.1.1~deb12u13.20230823.13.20231019.13.20240116.23.20240116.2+nmu1
 None known
amd64-microcode
Debian:13
 All versions, plus listed versions
0.20120117-11.20120117-11.20120117-21.20120117-2~bpo60+11.20120910-1
Show 45 moreShow less
1.20120910-1~bpo60+11.20120910-21.20120910-2~bpo60+11.20120910-31.20141028.11.20160316.12.20120910-12.20120910-1~bpo70+12.20131007.12.20131007.1+really20130710.12.20141028.12.20141028.1~bpo70+12.20160316.12.20160316.1~bpo70+12.20160316.1~deb8u13.20160316.13.20160316.23.20160316.33.20171205.13.20171205.23.20180515.13.20180524.13.20180524.1~bpo9+13.20181128.13.20181128.1~bpo9+13.20181128.1~deb8u13.20181128.1~deb9u13.20181128.1~deb9u23.20191021.13.20191218.13.20220411.13.20220411.23.20230414.13.20230719.13.20230719.1~deb10u13.20230719.1~deb11u13.20230719.1~deb12u13.20230808.13.20230808.1.13.20230808.1.1~deb11u13.20230808.1.1~deb12u13.20230823.13.20231019.13.20240116.23.20240116.2+nmu1
 None known
amd64-microcode
Debian:14
 before 3.20251202.1, plus listed versions
0.20120117-11.20120117-11.20120117-21.20120117-2~bpo60+11.20120910-1
Show 45 moreShow less
1.20120910-1~bpo60+11.20120910-21.20120910-2~bpo60+11.20120910-31.20141028.11.20160316.12.20120910-12.20120910-1~bpo70+12.20131007.12.20131007.1+really20130710.12.20141028.12.20141028.1~bpo70+12.20160316.12.20160316.1~bpo70+12.20160316.1~deb8u13.20160316.13.20160316.23.20160316.33.20171205.13.20171205.23.20180515.13.20180524.13.20180524.1~bpo9+13.20181128.13.20181128.1~bpo9+13.20181128.1~deb8u13.20181128.1~deb9u13.20181128.1~deb9u23.20191021.13.20191218.13.20220411.13.20220411.23.20230414.13.20230719.13.20230719.1~deb10u13.20230719.1~deb11u13.20230719.1~deb12u13.20230808.13.20230808.1.13.20230808.1.1~deb11u13.20230808.1.1~deb12u13.20230823.13.20231019.13.20240116.23.20240116.2+nmu1
3.20251202.1
amd64-microcode
Ubuntu:14.04:LTS
 All versions, plus listed versions
1.20120910-32.20131007.1+really20130710.13.20180524.1~ubuntu0.14.04.13.20180524.1~ubuntu0.14.04.2+really20130710.13.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1
 None known
amd64-microcode
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
2.20141028.12.20160316.13.20180524.1~ubuntu0.16.04.13.20180524.1~ubuntu0.16.04.23.20191021.1ubuntu0.16.04.1
Show 4 moreShow less
3.20191021.1+really3.20180524.1~ubuntu0.16.04.23.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm13.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm23.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3
 None known
amd64-microcode
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
3.20160316.33.20171205.13.20180524.1~ubuntu0.18.04.13.20180524.1~ubuntu0.18.04.23.20191021.1ubuntu0.18.04.2
Show 4 moreShow less
3.20191021.1+really3.20181128.1~ubuntu0.18.04.13.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm13.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm23.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3
 None known
amd64-microcode
Ubuntu:20.04:LTS
 All versions, plus listed versions
3.20181128.1ubuntu23.20191021.1ubuntu13.20191218.1ubuntu13.20191218.1ubuntu1.13.20191218.1ubuntu1.23.20191218.1ubuntu1.3
 None known
amd64-microcode
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.20191218.1ubuntu23.20191218.1ubuntu2.13.20191218.1ubuntu2.23.20191218.1ubuntu2.3
 None known
amd64-microcode
Ubuntu:24.04:LTS
 before 3.20251202.1ubuntu0.24.04.1, plus listed versions
3.20230808.1.1ubuntu13.20231019.1ubuntu13.20231019.1ubuntu23.20231019.1ubuntu2.13.20250311.1ubuntu0.24.04.1
3.20251202.1ubuntu0.24.04.1
amd64-microcode
Ubuntu:25.10
 before 3.20251202.1ubuntu0.25.10.1, plus listed versions
3.20240820.1ubuntu13.20250311.1ubuntu13.20250708.1ubuntu1
3.20251202.1ubuntu0.25.10.1
amd64-microcode
Ubuntu:26.04:LTS
 before 3.20251202.1ubuntu1, plus listed versions
3.20250708.1ubuntu13.20250708.1ubuntu2
3.20251202.1ubuntu1

History

History
RecordedChangedSources
affected, factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-29934 is a medium vulnerability (CVSS 5.3) in Amd Epyc™ 8004 Series Processors, published November 21, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. Fixed in amd64-microcode 3.20251202.1.

References

This page doesn't list everything

Left out here: 34 versions. The JSON record has them.

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