net/smc: Fix NULL pointer dereference in smc_pnet_find_ib()
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 5 fixed, 4 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix NULL pointer dereference in smc_pnet_find_ib() dev_name() was called with dev.parent as argument but without to NULL-check it before. Solve this by checking the pointer before the call to dev_name().
Why it matters now
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 |
|---|---|---|---|---|---|
| Linux | Linux | 5.1 and later | 5.4.190, 5.10.112, 5.15.35, 5.17.4, 5.18 | Patch available | CNA |
- Linux VendorLinux Affected 5.1 and later Fixed in 5.4.190, 5.10.112, 5.15.35, 5.17.4, 5.18 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.1 to before 5.4.190; 5.5 to before 5.10.112; 5.11 to before 5.15.35; 5.16 to before 5.17.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:* | 5.18 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:* | 5.18 rc2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.1 to before 5.4.190; 5.5 to before 5.10.112; 5.11 to before 5.15.35; 5.16 to before 5.17.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:* Versions 5.18 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:* Versions 5.18 rc2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.190, 5.10.112, 5.15.35, 5.17.4, 5.18
Red Hat 2 advisories
- RHSA-2022:8267 Released 2022-11-15 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-162.6.1.el9_1
- Red Hat Enterprise Linux AppStream (v. 9) kernel-debug-devel-5.14.0-162.6.1.el9_1, kernel-debug-devel-matched-5.14.0-162.6.1.el9_1, kernel-devel-5.14.0-162.6.1.el9_1 +5
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-5.14.0-162.6.1.el9_1, kernel-5.14.0-162.6.1.el9_1, kernel-abi-stablelists-5.14.0-162.6.1.el9_1 +14
- RHSA-2022:7683 Released 2022-11-08 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-425.3.1.el8
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-425.3.1.el8, kernel-4.18.0-425.3.1.el8, kernel-abi-stablelists-4.18.0-425.3.1.el8 +19
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 8 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2022:7683 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2022:8267 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2022:8267 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2022:7683 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2022:8267 |
Not affected: 1 product
- Red Hat Enterprise Linux 10
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49060
- 2026-10-03 Alias added: GHSA-gh3v-vpw6-g5wp
References
Patch 5
- https://git.kernel.org/stable/c/a05f5e26cb8bb4d07e0595545fcad1bb406f0085
- https://git.kernel.org/stable/c/35b91e49bc80ca944a8679c3b139ddaf2f8eea0f
- https://git.kernel.org/stable/c/3a523807f01455fe9a0c1a433f27cd4411ee400f
- https://git.kernel.org/stable/c/22025513ced3d599ee8b24169141c95cf2467a4a
- https://git.kernel.org/stable/c/d22f4f977236f97e01255a80bca2ea93a8094fc8
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- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2022-49060 · CVE Program
- CVE-2022-49060 · NVD
- FIRST EPSS
- GHSA-gh3v-vpw6-g5wp · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49060 · Red Hat security data · CC BY 4.0
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