Information disclosure in kernel
Priority LOW 21CWE-200Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 14 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.
Summary
A kernel information leak flaw was identified in the scsi_ioctl function in drivers/scsi/scsi_ioctl.c in the Linux kernel. This flaw allows a local attacker with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) to create issues with confidentiality.
Why it matters now
EPSS 0.00416 36th percentileScored 2026-11-07
Fix Partial Red Hat: 6 advisoriesRed Hat: 14 fixed, 2 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 |
|---|---|---|---|---|---|
| — | kernel | kernel 5.17 rc5 | — | No fix listed | CNA |
- kernel Vendor— Affected kernel 5.17 rc5 Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.17 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:* | 5.17 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* | 5.17 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:* | 5.17 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:* | 5.17 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:* | 5.17 rc4 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.17 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:* Versions 5.17 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* Versions 5.17 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:* Versions 5.17 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:* Versions 5.17 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:* Versions 5.17 rc4 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
Red Hat 6 advisories
- RHSA-2022:7134 Released 2022-10-25 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-core-4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-debug-4.18.0-372.32.1.rt7.189.el8_6 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-core-4.18.0-372.32.1.rt7.189.el8_6, kernel-rt-debug-4.18.0-372.32.1.rt7.189.el8_6 +7
- RHSA-2022:7110 Released 2022-10-25 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-372.32.1.el8_6, kernel-4.18.0-372.32.1.el8_6, kernel-abi-stablelists-4.18.0-372.32.1.el8_6 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-372.32.1.el8_6
- Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.32.1.el8_6, perf-4.18.0-372.32.1.el8_6
- RHSA-2022:6243 Released 2022-08-31 · Red Hat rating Moderatekernel security and bug fix update
- Red Hat Enterprise Linux BaseOS EUS (v.8.4) bpftool-4.18.0-305.62.1.el8_4, kernel-4.18.0-305.62.1.el8_4, kernel-abi-stablelists-4.18.0-305.62.1.el8_4 +19
- Red Hat Enterprise Linux CRB EUS (v.8.4) kernel-tools-libs-devel-4.18.0-305.62.1.el8_4
Show 3 more Red Hat advisories
- RHSA-2022:6248 Released 2022-08-30 · Red Hat rating Moderatekernel-rt security and bug fix update
- Red Hat Enterprise Linux NFV EUS (v.8.4) kernel-rt-4.18.0-305.62.1.rt7.134.el8_4, kernel-rt-core-4.18.0-305.62.1.rt7.134.el8_4, kernel-rt-debug-4.18.0-305.62.1.rt7.134.el8_4 +9
- Red Hat Enterprise Linux RT EUS (v.8.4) kernel-rt-4.18.0-305.62.1.rt7.134.el8_4, kernel-rt-core-4.18.0-305.62.1.rt7.134.el8_4, kernel-rt-debug-4.18.0-305.62.1.rt7.134.el8_4 +7
- RHSA-2022:6002 Released 2022-08-09 · Red Hat rating Moderatekernel-rt security and bug fix update
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-70.22.1.rt21.94.el9_0, kernel-rt-core-5.14.0-70.22.1.rt21.94.el9_0, kernel-rt-debug-5.14.0-70.22.1.rt21.94.el9_0 +7
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-70.22.1.rt21.94.el9_0, kernel-rt-core-5.14.0-70.22.1.rt21.94.el9_0, kernel-rt-debug-5.14.0-70.22.1.rt21.94.el9_0 +9
- RHSA-2022:6003 Released 2022-08-09 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-70.22.1.el9_0
- Red Hat Enterprise Linux AppStream (v. 9) kernel-debug-devel-5.14.0-70.22.1.el9_0, kernel-debug-devel-matched-5.14.0-70.22.1.el9_0, kernel-devel-5.14.0-70.22.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-5.14.0-70.22.1.el9_0, kernel-5.14.0-70.22.1.el9_0, kernel-abi-stablelists-5.14.0-70.22.1.el9_0 +14
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 yet |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2022:6003 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2022:6003 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2022:7110 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2022:6003 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.4) | Fixed | RHSA-2022:6243 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2022:7110 |
| Red Hat Enterprise Linux CRB EUS (v.8.4) | Fixed | RHSA-2022:6243 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2022:7134 |
| Red Hat Enterprise Linux NFV EUS (v.8.4) | Fixed | RHSA-2022:6248 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2022:7134 |
| Red Hat Enterprise Linux RT EUS (v.8.4) | Fixed | RHSA-2022:6248 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2022:6002 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2022:6002 |
| Red Hat Virtualization 4 Hypervisor for RHEL 8 | Fixed | RHSA-2022:7110 |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-0494
- 2026-10-03 Alias added: GHSA-c6f2-mj5c-wfq2
References
Sources
- CVE-2022-0494 · CVE Program
- CVE-2022-0494 · NVD
- FIRST EPSS
- GHSA-c6f2-mj5c-wfq2 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-0494 · 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