dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
Priority LOW 24Published · Updated
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: dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not needed anymore. Add missing of_node_put() in to fix this.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00266 18th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.9.323, 4.14.288, 4.19.252 +5
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 | 4.5 and later | 4.9.323, 4.14.288, 4.19.252, 5.4.205, 5.10.130, 5.15.54, 5.18.11, 5.19 | Patch available | CNA |
- Linux VendorLinux Affected 4.5 and later Fixed in 4.9.323, 4.14.288, 4.19.252, 5.4.205, 5.10.130, 5.15.54, 5.18.11, 5.19 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.5 to before 4.9.323; 4.10 to before 4.14.288; 4.15 to before 4.19.252; 4.20 to before 5.4.205; 5.5 to before 5.10.130; 5.11 to before 5.15.54; 5.16 to before 5.18.11 | 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:5.19:rc4:*:*:*:*:*:* | 5.19 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:* | 5.19 rc5 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.5 to before 4.9.323; 4.10 to before 4.14.288; 4.15 to before 4.19.252; 4.20 to before 5.4.205; 5.5 to before 5.10.130; 5.11 to before 5.15.54; 5.16 to before 5.18.11 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
- cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:* Versions 5.19 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:* Versions 5.19 rc5 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.9.323, 4.14.288, 4.19.252, 5.4.205, 5.10.130, 5.15.54, 5.18.11, 5.19
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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-2022-49652
- 2026-10-03 Alias added: GHSA-hx37-538m-7q9c
References
Patch 8
- https://git.kernel.org/stable/c/452b9dfd7aca96befce22634fadb111737f22bbe
- https://git.kernel.org/stable/c/61b4ef19c346dc21ab1d4f39f5c412e3037b2bdc
- https://git.kernel.org/stable/c/3bd66010398871807c1cebacee07d60ded1b1402
- https://git.kernel.org/stable/c/b31ab132561c7f1b6459039152b8d09e44eb3565
- https://git.kernel.org/stable/c/37147e22cd8dfc0412495cb361708836157a4486
- https://git.kernel.org/stable/c/cb9813d7eae917acd34436160a278b8b5d48ca53
- https://git.kernel.org/stable/c/b5a817f8d62e9e13280928f3756e54854ae4962e
- https://git.kernel.org/stable/c/c132fe78ad7b4ce8b5d49a501a15c29d08eeb23a
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-2022-49652 · CVE Program
- CVE-2022-49652 · NVD
- FIRST EPSS
- GHSA-hx37-538m-7q9c · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49652 · Red Hat security data · CC BY 4.0
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