CVE-2026-31483: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: s390/syscalls: Add spectre boundary for syscall dispatch table The s390 syscall number is directly controlled by userspace, but does not have an array_index_nospec() boundary to prevent access past the syscall function pointer tables.

Засегнати продукти

• Linux Linux: 56e62a73702836017564eaacd5212e4d0fa1c01d преди 3c3b97064764899c39a0abbd35a6caa031e70333; 56e62a73702836017564eaacd5212e4d0fa1c01d преди 1cb9c7bc9025c637564fabc7fcc3c9343949e310; 56e62a73702836017564eaacd5212e4d0fa1c01d преди 7a5260fbc6e79a1595328ec5c6aa3f937504a1f0; 56e62a73702836017564eaacd5212e4d0fa1c01d преди f8c444b918d639e1f9a621ee20fe481c1d10dfc4; 56e62a73702836017564eaacd5212e4d0fa1c01d преди 87776f02449e3bded95b2ccbd6b012e9ae64e6f3; 56e62a73702836017564eaacd5212e4d0fa1c01d преди 4d05dd18d867d58c6952a3bc260d244899da7256; 56e62a73702836017564eaacd5212e4d0fa1c01d преди 48b8814e25d073dd84daf990a879a820bad2bcbd
• Linux Linux: 5.12; преди 5.12; 5.15.203 до 5.15.*; 6.1.168 до 6.1.*; 6.6.131 до 6.6.*; 6.12.80 до 6.12.*; 6.18.21 до 6.18.*; 6.19.11 до 6.19.*; от 7.0 нататък

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-2026-31483
• https://nvd.nist.gov/vuln/detail/CVE-2026-31483
• https://git.kernel.org/stable/c/3c3b97064764899c39a0abbd35a6caa031e70333
• https://git.kernel.org/stable/c/1cb9c7bc9025c637564fabc7fcc3c9343949e310
• https://git.kernel.org/stable/c/7a5260fbc6e79a1595328ec5c6aa3f937504a1f0
• https://git.kernel.org/stable/c/f8c444b918d639e1f9a621ee20fe481c1d10dfc4
• https://git.kernel.org/stable/c/87776f02449e3bded95b2ccbd6b012e9ae64e6f3
• https://git.kernel.org/stable/c/4d05dd18d867d58c6952a3bc260d244899da7256
• https://git.kernel.org/stable/c/48b8814e25d073dd84daf990a879a820bad2bcbd