clocksource/drivers/cadence-ttc: Fix memory leak in ttc_timer_probe
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/cadence-ttc: Fix memory leak in ttc_timer_probe Smatch reports: drivers/clocksource/timer-cadence-ttc.c:529 ttc_timer_probe() warn: 'timer_baseaddr' from of_iomap() not released on lines: 498,508,516. timer_baseaddr may have the problem of not being released after use, I replaced it with the devm_of_iomap() function and added the clk_put() function to cleanup the "clk_ce" and "clk_cs".
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.291, 5.4.251, 5.10.188, 5.15.121, 6.1.39, 6.3.13, 6.4.4, 6.5
Vendor assessments
Red Hat
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-2023-53725
- 2026-10-03 Alias added: GHSA-2gf7-3qxp-c9rr
References
Other 8
- https://git.kernel.org/stable/c/e0a9cc90ea44a50d76a84f9f9bf1703d31fe45e9
- https://git.kernel.org/stable/c/54cc10a0f4b01b522e9519014200f1b33bf7e4aa
- https://git.kernel.org/stable/c/ebdff0986513a29be242aace0ef89b6c105b0bf0
- https://git.kernel.org/stable/c/289e2054eeb63c9e133960731c342eeffad218d3
- https://git.kernel.org/stable/c/919dd531ebb7514f205ae7aab87994337ebce1f6
- https://git.kernel.org/stable/c/67d7eebbc424935dec61fb352d1ccae5d16cf429
- https://git.kernel.org/stable/c/99744200f28b2cf5f50767447e51b4b4a977d145
- https://git.kernel.org/stable/c/8b5bf64c89c7100c921bd807ba39b2eb003061ab
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Sources
- CVE-2023-53725 · CVE Program
- CVE-2023-53725 · NVD
- FIRST EPSS
- GHSA-2gf7-3qxp-c9rr · GitHub Advisory Database · CC BY 4.0
- CVE-2023-53725 · Red Hat security data · CC BY 4.0
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