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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 23:34:44 +0300
Message-ID: <afUOL6p0-fPP0CPh@altlinux.org> (raw)
In-Reply-To: <afUNE6gD5-Jmmkqy@altlinux.org>

On Fri, May 01, 2026 at 11:30:09PM +0300, Vitaly Chikunov wrote:
> 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.

ACLs

 bluez         shrek aris zerg lakostis
 iwd           silverducks @everybody
 cryptsetup    naf shaba


> 
> > 
> > 
> > -- 
> > 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
> _______________________________________________
> devel-kernel mailing list
> devel-kernel@lists.altlinux.org
> https://lists.altlinux.org/mailman/listinfo/devel-kernel


      reply	other threads:[~2026-05-01 20:34 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
2026-05-01 20:34     ` Vitaly Chikunov [this message]

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