soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs
Priority LOW 24CWE-401Published · Updated
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: 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-401.
Summary
In the Linux kernel, the following vulnerability has been resolved: soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs In brcmstb_pm_probe(), there are two kinds of leak bugs: (1) we need to add of_node_put() when for_each__matching_node() breaks (2) we need to add iounmap() for each iomap in fail path
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00228 13th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.19.258, 5.4.213, 5.10.143 +3Red Hat: 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 |
|---|---|---|---|---|---|
| Linux | Linux | 4.15 and later | 4.19.258, 5.4.213, 5.10.143, 5.15.68, 5.19.9, 6.0 | Patch available | CNA |
- Linux VendorLinux Affected 4.15 and later Fixed in 4.19.258, 5.4.213, 5.10.143, 5.15.68, 5.19.9, 6.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.15 to before 4.19.258; 4.20 to before 5.4.213; 5.5 to before 5.10.143; 5.11 to before 5.15.68; 5.16 to before 5.19.9 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.15 to before 4.19.258; 4.20 to before 5.4.213; 5.5 to before 5.10.143; 5.11 to before 5.15.68; 5.16 to before 5.19.9 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.258, 5.4.213, 5.10.143, 5.15.68, 5.19.9, 6.0
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 |
Not affected: 2 products
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-48693
- 2026-10-03 Alias added: GHSA-pr52-v39m-xpvv
References
Patch 6
- https://git.kernel.org/stable/c/0284b4e6dec6088a41607aa3f42bf51edff01883
- https://git.kernel.org/stable/c/57b2897ec3ffe4cbe018446be6d04432919dca6b
- https://git.kernel.org/stable/c/6dc0251638a4a1a998506dbd4627f8317e907558
- https://git.kernel.org/stable/c/43245c77d9efd8c9eb91bf225d07954dcf32204d
- https://git.kernel.org/stable/c/653500b400d5576940b7429690f7197199ddcc82
- https://git.kernel.org/stable/c/1085f5080647f0c9f357c270a537869191f7f2a1
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- 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-2022-48693 · CVE Program
- CVE-2022-48693 · NVD
- FIRST EPSS
- GHSA-pr52-v39m-xpvv · GitHub Advisory Database · CC BY 4.0
- CVE-2022-48693 · Red Hat security data · CC BY 4.0
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