From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
Roman Demidov <roman.demidov.nn@gmail.com>
Subject: Re: [PATCH 5.10] ipv6: mcast: Fix use-after-free when processing MLD queries
Date: Thu, 27 Aug 2026 01:17:57 -0400 [thread overview]
Message-ID: <20260827050834.10007.stable-daily@kernel.org> (raw)
In-Reply-To: <20260826074010.9256-1-roman.demidov.nn@gmail.com>
> commit 791c91dc7a9dfb2457d5e29b8216a6484b9c4b40 upstream.
>
> When processing an MLD query, a pointer to the multicast group address
> is retrieved when initially parsing the packet. This pointer is later
> dereferenced without being reloaded despite the fact that the skb header
> might have been reallocated following the pskb_may_pull() calls, leading
> to a use-after-free [1].
Queued for 5.10, thanks.
--
Thanks,
Sasha
prev parent reply other threads:[~2026-08-27 5:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-26 7:40 [PATCH 5.10] ipv6: mcast: Fix use-after-free when processing MLD queries Roman Demidov
2026-08-27 5:17 ` Sasha Levin [this message]
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