CVE-2025-38608

Summary

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

bpf, ktls: Fix data corruption when using bpf_msg_pop_data() in ktls

When sending plaintext data, we initially calculated the corresponding ciphertext length. However, if we later reduced the plaintext data length via socket policy, we failed to recalculate the ciphertext length.

This results in transmitting buffers containing uninitialized data during ciphertext transmission.

This causes uninitialized bytes to be appended after a complete "Application Data" packet, leading to errors on the receiving end when parsing TLS record.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux7246d8ed4dcce23f7509949a77be15fa9f0e3d28 < 6ba20ff3cdb96a908b9dc93cf247d0b087672e7caffected
LinuxLinux7246d8ed4dcce23f7509949a77be15fa9f0e3d28 < 849d24dc5aed45ebeb3490df429356739256ac40affected
LinuxLinux7246d8ed4dcce23f7509949a77be15fa9f0e3d28 < 73fc5d04009d3969ff8e8574f0fd769f04124e59affected
LinuxLinux7246d8ed4dcce23f7509949a77be15fa9f0e3d28 < 16aca8bb4ad0d8a13c8b6da4007f4e52d53035bbaffected
LinuxLinux7246d8ed4dcce23f7509949a77be15fa9f0e3d28 < 0e853c1464bcf61207f8b5c32d2ac5ee495e859daffected
LinuxLinux7246d8ed4dcce23f7509949a77be15fa9f0e3d28 < ee03766d79de0f61ea29ffb6ab1c7b196ea1b02eaffected
LinuxLinux7246d8ed4dcce23f7509949a77be15fa9f0e3d28 < 90d6ef67440cec2a0aad71a0108c8f216437345caffected
LinuxLinux7246d8ed4dcce23f7509949a77be15fa9f0e3d28 < 1e480387d4b42776f8957fb148af9d75ce93b96daffected
LinuxLinux7246d8ed4dcce23f7509949a77be15fa9f0e3d28 < 178f6a5c8cb3b6be1602de0964cd440243f493c9affected
LinuxLinux5.0affected
LinuxLinux0 < 5.0unaffected
LinuxLinux5.4.297 <= 5.4.*unaffected
LinuxLinux5.10.241 <= 5.10.*unaffected
LinuxLinux5.15.190 <= 5.15.*unaffected
LinuxLinux6.1.148 <= 6.1.*unaffected
LinuxLinux6.6.102 <= 6.6.*unaffected
LinuxLinux6.12.42 <= 6.12.*unaffected
LinuxLinux6.15.10 <= 6.15.*unaffected
LinuxLinux6.16.1 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References