soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. In brcmstb_init_sram, it pass dn to of_address_to_resource(), of_address_to_resource() will call of_find_device_by_node() to take reference, so we should release the reference returned by of_find_matching_node().
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 | 4.15 and later | 4.19.250, 5.4.202, 5.10.127, 5.15.51, 5.18.8, 5.19 | Patch available | CNA |
- Linux VendorLinux Affected 4.15 and later Fixed in 4.19.250, 5.4.202, 5.10.127, 5.15.51, 5.18.8, 5.19 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.15 to before 4.19.250; 4.20 to before 5.4.202; 5.5 to before 5.10.127; 5.11 to before 5.15.51; 5.16 to before 5.18.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* | 5.19 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* | 5.19 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* | 5.19 rc3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.15 to before 4.19.250; 4.20 to before 5.4.202; 5.5 to before 5.10.127; 5.11 to before 5.15.51; 5.16 to before 5.18.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* Versions 5.19 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* Versions 5.19 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* Versions 5.19 rc3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.250, 5.4.202, 5.10.127, 5.15.51, 5.18.8, 5.19
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49678
- 2026-10-03 Alias added: GHSA-fj7c-j8wh-8xgw
References
Patch 6
- https://git.kernel.org/stable/c/4f5877bdf7b593e988f1924f4c3df6523f80b39c
- https://git.kernel.org/stable/c/734a4d15142bb4c8ecad2d8ec70d7564e78ae34d
- https://git.kernel.org/stable/c/30bbfeb480ae8b5ee43199d72417b232590440c2
- https://git.kernel.org/stable/c/10ba9d499a9fd82ed40897e734ba19870a879407
- https://git.kernel.org/stable/c/dcafd5463d8f20c4f90ddc138a5738adb99f74c8
- https://git.kernel.org/stable/c/37d838de369b07b596c19ff3662bf0293fdb09ee
More Linux Kernel vulnerabilities
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- 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-2022-49678 · CVE Program
- CVE-2022-49678 · NVD
- FIRST EPSS
- GHSA-fj7c-j8wh-8xgw · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49678 · Red Hat security data · CC BY 4.0
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