ACK: [SRU][F/J/K][PATCH 0/1] CVE-2023-1075

Tim Gardner tim.gardner at canonical.com
Fri Mar 31 13:05:56 UTC 2023


On 3/30/23 3:19 PM, Yuxuan Luo wrote:
> [Impact]
> It was discovered that the TLS subsystem in the Linux kernel contained a
> type confusion vulnerability in some situations. A local attacker could use
> this to cause a denial of service (system crash) or possibly expose
> sensitive information.
> 
> [Backport]
> The commit 587903142308 (“tls: create an internal header”) splitted the
> include/net/tls.h and moved the vulnerable `tls_is_tx_ready()`. Though not
> having this commit causes cherry-pick conflict, it is not necessary to backport
> this commit. Instead, it is possible to modify the `is_tx_ready()` directly.
> 
> [Test]
> Compile and boot tested.
> 
> [Potential Regression]
> Very low.
> 
> Pietro Borrello (1):
>    net/tls: tls_is_tx_ready() checked list_entry
> 
>   include/net/tls.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
-- 
-----------
Tim Gardner
Canonical, Inc




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