CVE-2026-46171: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: riscv: kvm: fix vector context allocation leak When the second kzalloc (host_context.vector.datap) fails in kvm_riscv_vcpu_alloc_vector_context, the first allocation (guest_context.vector.datap) is leaked. Free it before returning.

Засегнати продукти

• Linux Linux: 0f4b82579716b12bb88257bd7ea80f25c791fb2c преди 8f3a5dc4055e1001b44ca8ae2bd3eb1d07782049; 0f4b82579716b12bb88257bd7ea80f25c791fb2c преди 70ecebe7c58ce01f8da3f513eafb51bd147b1e63; 0f4b82579716b12bb88257bd7ea80f25c791fb2c преди bd62c0f61bc722a097417401030c596cea8e21aa; 0f4b82579716b12bb88257bd7ea80f25c791fb2c преди 1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98; 0f4b82579716b12bb88257bd7ea80f25c791fb2c преди b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978
• Linux Linux: 6.5; преди 6.5; 6.6.160 до 6.6.*; 6.12.114 до 6.12.*; 6.18.30 до 6.18.*; 7.0.7 до 7.0.*; от 7.1 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-2026-46171
• https://nvd.nist.gov/vuln/detail/CVE-2026-46171
• https://git.kernel.org/stable/c/8f3a5dc4055e1001b44ca8ae2bd3eb1d07782049
• https://git.kernel.org/stable/c/70ecebe7c58ce01f8da3f513eafb51bd147b1e63
• https://git.kernel.org/stable/c/bd62c0f61bc722a097417401030c596cea8e21aa
• https://git.kernel.org/stable/c/1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98
• https://git.kernel.org/stable/c/b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978