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From: Vitaly Chikunov <vt@altlinux.org>
To: ALT Linux kernel packages development <devel-kernel@lists.altlinux.org>
Subject: Re: [d-kernel] CVE-2026-31431
Date: Fri, 1 May 2026 23:30:09 +0300
Message-ID: <afUNE6gD5-Jmmkqy@altlinux.org> (raw)
In-Reply-To: <20260501063201.GA31060@altlinux.org>

On Fri, May 01, 2026 at 09:32:01AM +0300, Alexey V. Vissarionov wrote:
> Good ${greeting_time}!
> 
> On 2026-04-30 21:26:29 +0300, I wrote:
> 
>  > Сабж. Оно же "732 bytes to root", оно же https://copy.fail
>  > В ядре с 2017 года, то есть присутствует во всех актуальных.
>  > Методы лечения: Ядра 6.* и более свежие - обновить до новой
>  > версии. Старые ядра - отключить CONFIG_CRYPTO_USER_API_AEAD
>  > (в принципе, это годится и для свежих ядер).
> 
> Ситуация чуть хуже. Отключаем CONFIG_CRYPTO_USER_API везде.
> Рекомендую сделать это вручную через menuconfig, чтобы и все
> сопутствующие
> 
> CONFIG_CRYPTO_USER_API
> CONFIG_CRYPTO_USER_API_HASH
> CONFIG_CRYPTO_USER_API_SKCIPHER
> CONFIG_CRYPTO_USER_API_RNG
> CONFIG_CRYPTO_USER_API_RNG_CAVP
> CONFIG_CRYPTO_USER_API_AEAD
> CONFIG_CRYPTO_USER_API_ENABLE_OBSOLETE
> 
> даже не попадали в конфиг.

Давайте отключим.

Пишут, что это используется только в iwd, bluez, cryptsetup with certain
options.

> 
> 
> -- 
> Alexey V. Vissarionov
> gremlin ПРИ altlinux ТЧК org; +vii-cmiii-ccxxix-lxxix-xlii
> GPG: 0D92F19E1C0DC36E27F61A29CD17E2B43D879005 @ hkp://keys.gnupg.net
> _______________________________________________
> devel-kernel mailing list
> devel-kernel@lists.altlinux.org
> https://lists.altlinux.org/mailman/listinfo/devel-kernel


  reply	other threads:[~2026-05-01 20:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-30 18:26 Alexey V. Vissarionov
2026-05-01  6:32 ` Alexey V. Vissarionov
2026-05-01 20:30   ` Vitaly Chikunov [this message]
2026-05-01 20:34     ` Vitaly Chikunov

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