Buffer overflow in libguestfs
Priority LOW 31CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 fixed, 6 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.
Summary
A vulnerability was found in libguestfs. This issue occurs while calculating the greatest possible number of matching keys in the get_keys() function. This flaw leads to a denial of service, either by mistake or malicious actor.
Why it matters now
EPSS 0.00972 62nd percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 4 fixed, 6 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | libguestfs | none | — | No fix listed | CNA |
- libguestfs Vendor— Affected none Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libguestfs:libguestfs:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Libguestfs |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Red Hat |
- cpe:2.3:a:libguestfs:libguestfs:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Libguestfs
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
Remediation
Red Hat 4 advisories
- RHSA-2022:7958 Released 2022-11-15 · Red Hat rating Lowlibguestfs security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 9) libguestfs-devel-1:1.48.4-2.el9, libguestfs-gobject-1:1.48.4-2.el9, libguestfs-gobject-devel-1:1.48.4-2.el9 +7
- Red Hat Enterprise Linux AppStream (v. 9) libguestfs-1:1.48.4-2.el9, libguestfs-appliance-1:1.48.4-2.el9, libguestfs-bash-completion-1:1.48.4-2.el9 +6
- RHSA-2022:7968 Released 2022-11-15 · Red Hat rating Lowvirt-v2v security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 9) virt-v2v-man-pages-ja-1:2.0.7-6.el9, virt-v2v-man-pages-uk-1:2.0.7-6.el9
- Red Hat Enterprise Linux AppStream (v. 9) virt-v2v-1:2.0.7-6.el9, virt-v2v-bash-completion-1:2.0.7-6.el9
- RHSA-2022:7959 Released 2022-11-15 · Red Hat rating Lowguestfs-tools security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) guestfs-tools-1.48.2-5.el9, virt-win-reg-1.48.2-5.el9
Show 1 more Red Hat advisories
- RHSA-2022:7472 Released 2022-11-08 · Red Hat rating Lowvirt:rhel and virt-devel:rhel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) SLOF-20210217-1.module+el8.7.0+16689+53d59bc2.src::virt-devel:rhel, hivex-1.3.18-23.module+el8.7.0+16689+53d59bc2.i686::virt-devel:rhel, hivex-devel-1.3.18-23.module+el8.7.0+16689+53d59bc2.i686::virt-devel:rhel +47
- Red Hat Enterprise Linux AppStream (v. 8) SLOF-20210217-1.module+el8.7.0+16689+53d59bc2.noarch::virt:rhel, SLOF-20210217-1.module+el8.7.0+16689+53d59bc2.src::virt:rhel, hivex-1.3.18-23.module+el8.7.0+16689+53d59bc2.aarch64::virt:rhel +47
Vendor assessments
Red Hat
Red Hat rating: Low. 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 8 | Affected | No fix yet |
| Red Hat Enterprise Linux 8 Advanced Virtualization | Affected | No fix yet: Fix deferred |
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix planned: Out of support scope |
| Red Hat Virtualization 4 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2022:7472 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2022:7958, RHSA-2022:7968 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2022:7472 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2022:7958, RHSA-2022:7959, RHSA-2022:7968 |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-2211
- 2026-10-03 Alias added: GHSA-8rvm-f29f-fjx6
References
Sources
- CVE-2022-2211 · CVE Program
- CVE-2022-2211 · NVD
- FIRST EPSS
- GHSA-8rvm-f29f-fjx6 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-2211 · 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