Description

In the Linux kernel, the following vulnerability has been resolved:

net: lan743x: Fix memleak issue when GSO enabled

Always map the `skb` to the LS descriptor. Previously skb was
mapped to EXT descriptor when the number of fragments is zero with
GSO enabled. Mapping the skb to EXT descriptor prevents it from
being freed, leading to a memory leak

Classification

CVE ID: CVE-2025-37909

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.06% (probability of being exploited)

EPSS Percentile: 17.55% (scored less or equal to compared to others)

EPSS Date: 2025-06-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-37909
https://git.kernel.org/stable/c/df993daa4c968b4b23078eacc248f6502ede8664
https://git.kernel.org/stable/c/a0e0efbabbbe6a1859bc31bf65237ce91e124b9b
https://git.kernel.org/stable/c/dae1ce27ceaea7e1522025b15252e3cc52802622
https://git.kernel.org/stable/c/189b05f189cac9fd233ef04d31cb5078c4d09c39
https://git.kernel.org/stable/c/f42c18e2f14c1b1fdd2a5250069a84bc854c398c
https://git.kernel.org/stable/c/2d52e2e38b85c8b7bc00dca55c2499f46f8c8198

Timeline