ACK: [SRU][F/J/L/M][PATCH 0/1] CVE-2023-5178

[Stefan Bader]

On 25.10.23 22:39, Yuxuan Luo wrote:
> [Impact]
> A use-after-free vulnerability was found in drivers/nvme/target/tcp.c`
> in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe-oF/TCP
> subsystem in the Linux kernel. This issue may allow a malicious user
> to cause a use-after-free and double-free problem, which may permit
> remote code execution or lead to local privilege escalation in case
> that the attacker already has local privileges.
> 
> [Backport]
> For J/L/M it is a clean cherry pick.
> For Focal, a prerequisite commit, 0236d3437909 ("nvmet-tcp: move
> send/recv error handling in the send/recv methods instead of
> call-sites"), is cherry picked for solving conflicts.
> 
> [Test]
> Compile and boot tested.
> 
> [Potential Regression]
> Regression should be limited in the modified file.
> 
> 
> Sagi Grimberg (1):
>    nvmet-tcp: Fix a possible UAF in queue intialization setup
> 
>   drivers/nvme/target/tcp.c | 7 ++-----
>   1 file changed, 2 insertions(+), 5 deletions(-)
> 

Acked-by: Stefan Bader <stefan.bader at canonical.com>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_0xE8675DEECBEECEA3.asc
Type: application/pgp-keys
Size: 44613 bytes
Desc: OpenPGP public key
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20231027/cc122085/attachment-0001.key>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20231027/cc122085/attachment-0001.sig>