Gnutls: vulnerable to minerva side-channel information leak
Priority LOW 25CWE-327Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 10 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-327.
Summary
A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE flag, it can result in a noticeable step in nonce size from 513 to 512 bits, exposing a potential timing side-channel.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00724 54th percentileScored 2026-11-07
Fix Partial Red Hat: 6 advisoriesRed Hat: 10 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | gnutls | 3.7.6-23 | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 3.6.16-8.el8_9.3 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 3.6.16-8.el8_9.3 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | — | 3.6.16-5.el8_6.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | 3.6.16-7.el8_8.3 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.7.6-23.el9_3.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.8.3-4.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.7.6-23.el9_3.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.8.3-4.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 3.7.6-21.el9_2.3 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 10 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | No fix listed | CNA |
- gnutls Vendor— Affected 3.7.6-23 Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 3.6.16-8.el8_9.3 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 3.6.16-8.el8_9.3 Patch available CNA
- Red Hat Enterprise Linux 8.6 Extended Update Support VendorRed Hat Affected — Fixed in 3.6.16-5.el8_6.4 Patch available CNA
- Red Hat Enterprise Linux 8.8 Extended Update Support VendorRed Hat Affected — Fixed in 3.6.16-7.el8_8.3 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.7.6-23.el9_3.4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.8.3-4.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.7.6-23.el9_3.4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.8.3-4.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 3.7.6-21.el9_2.3 Patch available CNA
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE names CNA · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/a:redhat:enterprise_linux:8::appstream | 8 | — | Red Hat |
| cpe:/o:redhat:enterprise_linux:8::baseos | 8 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/o:redhat:rhel_eus:8.6::baseos | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:8.8::appstream | 8.8 | — | Red Hat |
| cpe:/o:redhat:rhel_eus:8.8::baseos | 8.8 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:9::appstream | 9 | — | Red Hat |
| cpe:/o:redhat:enterprise_linux:9::baseos | 9 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:9.2::appstream | 9.2 | — | Red Hat |
| cpe:/o:redhat:rhel_eus:9.2::baseos | 9.2 | — | Red Hat |
- cpe:/a:redhat:enterprise_linux:8::appstream Versions 8 — ·Red Hat
- cpe:/o:redhat:enterprise_linux:8::baseos Versions 8 — ·Red Hat
- cpe:/a:redhat:rhel_eus:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/o:redhat:rhel_eus:8.6::baseos Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_eus:8.8::appstream Versions 8.8 — ·Red Hat
- cpe:/o:redhat:rhel_eus:8.8::baseos Versions 8.8 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:9::appstream Versions 9 — ·Red Hat
- cpe:/o:redhat:enterprise_linux:9::baseos Versions 9 — ·Red Hat
- cpe:/a:redhat:rhel_eus:9.2::appstream Versions 9.2 — ·Red Hat
- cpe:/o:redhat:rhel_eus:9.2::baseos Versions 9.2 — ·Red Hat
Remediation
Red Hat 6 advisories
- RHSA-2024:2889 Released 2024-05-16 · Red Hat rating Moderategnutls security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) gnutls-c++-3.7.6-21.el9_2.3, gnutls-dane-3.7.6-21.el9_2.3, gnutls-devel-3.7.6-21.el9_2.3 +1
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) gnutls-3.7.6-21.el9_2.3
- RHSA-2024:2570 Released 2024-04-30 · Red Hat rating Moderategnutls security update
- Red Hat Enterprise Linux AppStream (v. 9) gnutls-c++-3.8.3-4.el9_4, gnutls-dane-3.8.3-4.el9_4, gnutls-devel-3.8.3-4.el9_4 +1
- Red Hat Enterprise Linux BaseOS (v. 9) gnutls-3.8.3-4.el9_4
- RHSA-2024:2044 Released 2024-04-25 · Red Hat rating Moderategnutls security update
- Red Hat Enterprise Linux AppStream EUS (v.8.6) gnutls-c++-3.6.16-5.el8_6.4, gnutls-dane-3.6.16-5.el8_6.4, gnutls-devel-3.6.16-5.el8_6.4 +1
- Red Hat Enterprise Linux BaseOS EUS (v.8.6) gnutls-3.6.16-5.el8_6.4
Show 3 more Red Hat advisories
- RHSA-2024:1997 Released 2024-04-23 · Red Hat rating Moderategnutls security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) gnutls-c++-3.6.16-7.el8_8.3, gnutls-dane-3.6.16-7.el8_8.3, gnutls-devel-3.6.16-7.el8_8.3 +1
- Red Hat Enterprise Linux BaseOS EUS (v.8.8) gnutls-3.6.16-7.el8_8.3
- RHSA-2024:1879 Released 2024-04-18 · Red Hat rating Moderategnutls security update
- Red Hat Enterprise Linux AppStream (v. 9) gnutls-c++-3.7.6-23.el9_3.4, gnutls-dane-3.7.6-23.el9_3.4, gnutls-devel-3.7.6-23.el9_3.4 +1
- Red Hat Enterprise Linux BaseOS (v. 9) gnutls-3.7.6-23.el9_3.4
- RHSA-2024:1784 Released 2024-04-11 · Red Hat rating Moderategnutls security update
- Red Hat Enterprise Linux AppStream (v. 8) gnutls-c++-3.6.16-8.el8_9.3, gnutls-dane-3.6.16-8.el8_9.3, gnutls-devel-3.6.16-8.el8_9.3 +1
- Red Hat Enterprise Linux BaseOS (v. 8) gnutls-3.6.16-8.el8_9.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 4 more products — RHSA-2024:1879
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-19047 Gnutls: potential crash during chain building/verificationPriority LOW 23
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 4 more products — RHSA-2024:2570
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-19047 Gnutls: potential crash during chain building/verificationPriority LOW 23
Show 1 more group
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 4 more products — RHSA-2024:2889
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-19047 Gnutls: potential crash during chain building/verificationPriority LOW 23
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:1784 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:1879, RHSA-2024:2570 |
| Red Hat Enterprise Linux AppStream EUS (v.8.6) | Fixed | RHSA-2024:2044 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:1997 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:2889 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:1784 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:1879, RHSA-2024:2570 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.6) | Fixed | RHSA-2024:2044 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.8) | Fixed | RHSA-2024:1997 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.2) | Fixed | RHSA-2024:2889 |
Not affected: 1 product
- Red Hat Enterprise Linux 10
Timeline
- 2026-10-02 Threatist record created from CVE-2024-28834
- 2026-10-03 Alias added: GHSA-frvc-6356-58xm
- 2026-10-23 Affected versions changed · CNA
- 2026-10-23 Affected versions changed · Red Hat
References
More Red Hat vulnerabilities
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Sources
- CVE-2024-28834 · CVE Program
- CVE-2024-28834 · NVD
- FIRST EPSS
- GHSA-frvc-6356-58xm · GitHub Advisory Database · CC BY 4.0
- CVE-2024-28834 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences