rtc: mt6397: check return value after calling platform_get_resource()
Priority LOW 24CWE-476Published · 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
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-476.
Summary
In the Linux kernel, the following vulnerability has been resolved: rtc: mt6397: check return value after calling platform_get_resource() It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00268 19th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.9.318, 4.14.283, 4.19.247 +6
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 | 4.2 and later | 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.122, 5.15.47, 5.17.15, 5.18.4, 5.19 | Patch available | CNA |
- Linux VendorLinux Affected 4.2 and later Fixed in 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.122, 5.15.47, 5.17.15, 5.18.4, 5.19 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.2 to before 4.9.318; 4.10 to before 4.14.283; 4.15 to before 4.19.247; 4.20 to before 5.4.198; 5.5 to before 5.10.122; 5.11 to before 5.15.47; 5.16 to before 5.17.15; 5.18 to before 5.18.4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.2 to before 4.9.318; 4.10 to before 4.14.283; 4.15 to before 4.19.247; 4.20 to before 5.4.198; 5.5 to before 5.10.122; 5.11 to before 5.15.47; 5.16 to before 5.17.15; 5.18 to before 5.18.4 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.122, 5.15.47, 5.17.15, 5.18.4, 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-2022-49375
- 2026-10-03 Alias added: GHSA-9jjw-6883-wqjh
References
Patch 9
- https://git.kernel.org/stable/c/3867f0bbb94773d41e789257abec0d14f37da217
- https://git.kernel.org/stable/c/79fa3f5758d8712df0678df98161f948fc4370e5
- https://git.kernel.org/stable/c/6ecd4d5c28408df36a1a6f0b1973f633c949ac1f
- https://git.kernel.org/stable/c/d77f28c1bc9d3043a52069fe42e4a26fbf961ebd
- https://git.kernel.org/stable/c/82bfea344e8f7e9a0e0b1bf9af27552baa756620
- https://git.kernel.org/stable/c/865051de2d9eaa50630e055b73921ceaf3c4a7fc
- https://git.kernel.org/stable/c/58a729c55ce3a432eb827fdaa24c7909cd3b0a6b
- https://git.kernel.org/stable/c/da38e86d6cf6dd3bc65c602d998f357145aa1a0b
- https://git.kernel.org/stable/c/d3b43eb505bffb8e4cdf6800c15660c001553fe6
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-2022-49375 · CVE Program
- CVE-2022-49375 · NVD
- FIRST EPSS
- GHSA-9jjw-6883-wqjh · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49375 · Red Hat security data · CC BY 4.0
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