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From: Siddh Raman Pant <siddh.raman.pant@oracle.com>
To: "stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"edumazet@google.com" <edumazet@google.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: CVE-2024-41041: udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().
Date: Tue, 3 Sep 2024 11:56:17 +0000	[thread overview]
Message-ID: <0ab22253fec2b0e65a95a22ceff799f39a2eaa0a.camel@oracle.com> (raw)
In-Reply-To: <2024072924-CVE-2024-41041-ae0c@gregkh>

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On Mon, 29 Jul 2024 16:32:36 +0200, Greg Kroah-Hartman wrote:
> In the Linux kernel, the following vulnerability has been resolved:
> 
> udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().
> 
> [...]
> 
> We had the same bug in TCP and fixed it in commit 871019b22d1b ("net:
> set SOCK_RCU_FREE before inserting socket into hashtable").
> 
> Let's apply the same fix for UDP.
> 
> [...]
> 
> The Linux kernel CVE team has assigned CVE-2024-41041 to this issue.
> 
> 
> Affected and fixed versions
> ===========================
> 
> 	Issue introduced in 4.20 with commit 6acc9b432e67 and fixed in 5.4.280 with commit 7a67c4e47626
> 	Issue introduced in 4.20 with commit 6acc9b432e67 and fixed in 5.10.222 with commit 9f965684c57c

These versions don't have the TCP fix backported. Please do so.

Thanks,
Siddh

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       reply	other threads:[~2024-09-03 11:56 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <2024072924-CVE-2024-41041-ae0c@gregkh>
2024-09-03 11:56 ` Siddh Raman Pant [this message]
2024-09-03 12:07   ` gregkh
2024-09-03 12:53     ` Eric Dumazet
2024-09-03 12:58       ` gregkh
2024-09-04 11:26         ` Siddh Raman Pant
2024-09-04 11:31           ` gregkh
2024-09-04 13:06             ` [PATCH 5.10, 5.4] net: set SOCK_RCU_FREE before inserting socket into hashtable Siddh Raman Pant
2024-09-05  7:43               ` gregkh

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