CVE-2025-68759
In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: Fix potential memory leaks in rtl8180_init_rx_ring() In rtl8180_init_rx_ring(), memory is allocated for skb packets and DMA allocations in a loop. When an allocation fails, the previously successful allocations are not freed on exit. Fix that by jumping to err_free_rings label on error, which calls rtl8180_free_rx_ring() to free the allocations. Remove the free of rx_ring in rtl8180_init_rx_ring() error path, and set the freed priv->rx_buf entry to null, to avoid double free.
Affected versions
Linux kernel versions
2.6.25
and later are affected. Fixed in
5.10.248,
5.15.198,
6.1.160,
6.6.120,
6.12.63,
6.17.13,
6.18.2,
6.19
and their respective stable series.
References
The following references provide additional information about CVE-2025-68759 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/3677c01891fb0239361e444afee8398868e34bdf
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PatchKernel patch commithttps://git.kernel.org/stable/c/89caaeee8dd95fae8bb4f4964e6fe3ca688500c4
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PatchKernel patch commithttps://git.kernel.org/stable/c/9b5b9c042b30befc5b37e4539ace95af70843473
Frequently asked questions
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What is CVE-2025-68759?
CVE-2025-68759 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.25 onward and has been patched in 5.10.248, 5.15.198, 6.1.160 and others. CVE-2025-68759 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-68759?
Yes — CVE-2025-68759 has been patched. Fixed versions include 5.10.248, 5.15.198, 6.1.160 and others. If you are running Linux kernel 2.6.25 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68759 actively exploited?
No — CVE-2025-68759 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.