CVE-2026-46027: Linux, логическа грешка

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: net/smc: avoid early lgr access in smc_clc_wait_msg A CLC decline can be received while the handshake is still in an early stage, before the connection has been associated with a link group. The decline handling in smc_clc_wait_msg() updates link-group level sync state for first-contact declines, but that state only exists after link group setup has completed. Guard the link-group update accordingly and keep the per-socket peer diagnosis handling unchanged. This preserves the existing sync_err handling for established link-group contexts and avoids touching link-group state before it is available.

Засегнати продукти

• Linux Linux: 0cfdd8f92cac01afbb12e4500514036a2b78756b преди 257cdf0c5ced9c0fba8aba501d94b0a5fcef2086; 0cfdd8f92cac01afbb12e4500514036a2b78756b преди 22546729b96fc873b23065dc49e3d73c45cfb874; 0cfdd8f92cac01afbb12e4500514036a2b78756b преди 5eedbfd82c2884e0010fdfb3c9446a6ebcadb691; 0cfdd8f92cac01afbb12e4500514036a2b78756b преди f0858e1d5624bb120b198f2a8528f97a9b0ae069; 0cfdd8f92cac01afbb12e4500514036a2b78756b преди 6180a296ca65b08a81914805cbc0f78da5f10a1f; 0cfdd8f92cac01afbb12e4500514036a2b78756b преди ea0b5d0fe96356dce38f98375a57c52a04e13712; 0cfdd8f92cac01afbb12e4500514036a2b78756b преди 83bcf9228b0501694fb2589ed1d142855a2887f2; 0cfdd8f92cac01afbb12e4500514036a2b78756b преди 5a8db80f721deee8e916c2cfdee78decda02ce4f
• Linux Linux: 4.11; преди 4.11; 5.10.258 до 5.10.*; 5.15.209 до 5.15.*; 6.1.175 до 6.1.*; 6.6.140 до 6.6.*; 6.12.86 до 6.12.*; 6.18.27 до 6.18.*; 7.0.4 до 7.0.*; от 7.1 нататък

Вид слабост

• CWE-617 Reachable Assertion

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99265
• CVE-2026-99261
• CVE-2026-99260

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-46027
• https://nvd.nist.gov/vuln/detail/CVE-2026-46027
• https://git.kernel.org/stable/c/257cdf0c5ced9c0fba8aba501d94b0a5fcef2086
• https://git.kernel.org/stable/c/22546729b96fc873b23065dc49e3d73c45cfb874
• https://git.kernel.org/stable/c/5eedbfd82c2884e0010fdfb3c9446a6ebcadb691
• https://git.kernel.org/stable/c/f0858e1d5624bb120b198f2a8528f97a9b0ae069
• https://git.kernel.org/stable/c/6180a296ca65b08a81914805cbc0f78da5f10a1f
• https://git.kernel.org/stable/c/ea0b5d0fe96356dce38f98375a57c52a04e13712
• https://git.kernel.org/stable/c/83bcf9228b0501694fb2589ed1d142855a2887f2
• https://git.kernel.org/stable/c/5a8db80f721deee8e916c2cfdee78decda02ce4f