CVE-2026-72041

espintcp: use sk_msg_free_partial to fix partial send

State: Published
Severity: 9.8 Critical
Published: Aug 15, 2026
Updated: Oct 19, 2026
Reserved: Aug 9, 2026

Description

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

espintcp: use sk_msg_free_partial to fix partial send

sk_msg_free_partial() ensures consistency of the skmsg at every iteration, without having to manually handle uncharges and offsets. This simplifies the code, and fixes some bugs in skmsg accounting when we don't send the full contents.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

CWE-664 Improper Control of a Resource Through its Lifetime

Affected Products

Product	Versions
LinuxLinux	e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 518dcb84b997dff461800b079e5f2596389f766aAffected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 4ea8c051b4bd7feec7749a980f2f70e1782b84d7Affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before a977f78adce40b39d90d9567e7987bb110102810Affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 54d73f18f8919735f4d04d6f43374f75756c0180Affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 14c0b42c8a2cd9b5361bbff45b52f69c62c6a286Affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before a66d45e0ce6d73cd79962d422388e61bfaf0cb50Affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before a338ce41bc933d8f74c39d9b3b6f1d8ca53d9714Affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 007800408002d871f5699bdb944f985896730b8fAffected
LinuxLinux	5.6Affected before 5.6Not affected 5.10.266 through 5.10.Not affected 5.15.217 through 5.15.Not affected 6.1.184 through 6.1.Not affected 6.6.145 through 6.6.Not affected 6.12.97 through 6.12.Not affected 6.18.40 through 6.18.Not affected 7.1.5 through 7.1.*Not affected 7.2 and laterNot affected

Product

Versions

LinuxLinux

e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 518dcb84b997dff461800b079e5f2596389f766aAffected
e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 4ea8c051b4bd7feec7749a980f2f70e1782b84d7Affected
e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before a977f78adce40b39d90d9567e7987bb110102810Affected
e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 54d73f18f8919735f4d04d6f43374f75756c0180Affected
e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 14c0b42c8a2cd9b5361bbff45b52f69c62c6a286Affected
e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before a66d45e0ce6d73cd79962d422388e61bfaf0cb50Affected
e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before a338ce41bc933d8f74c39d9b3b6f1d8ca53d9714Affected
e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 007800408002d871f5699bdb944f985896730b8fAffected

LinuxLinux

5.6Affected
before 5.6Not affected
5.10.266 through 5.10.*Not affected
5.15.217 through 5.15.*Not affected
6.1.184 through 6.1.*Not affected
6.6.145 through 6.6.*Not affected
6.12.97 through 6.12.*Not affected
6.18.40 through 6.18.*Not affected
7.1.5 through 7.1.*Not affected
7.2 and laterNot affected

References

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