ACK: [SRU][J][PULL] Fixes for CVE-2024-2658{3,4,5}

[Tim Gardner]

On 3/28/24 9:47 AM, Juerg Haefliger wrote:
> [ Impact ]
> 
> CVE-2024-26583 (https://ubuntu.com/security/CVE-2024-26583)
> CVE-2024-26584 (https://ubuntu.com/security/CVE-2024-26584)
> CVE-2024-26585 (https://ubuntu.com/security/CVE-2024-26585)
> 
> [ Test case ]
> 
> 1) Enable async crypto:
>      $ modprobe tcrypt alg="pcrypt(generic-gcm-aesni)" type=3
> 2) Enable TLS function tracing:
>      $ echo function_graph > /sys/kernel/tracing/current_tracer
>      $ echo 'tls_*:mod:tls' > /sys/kernel/tracing/set_ftrace_filter
> 3) Run TLS kernel selftests from v6.8:
>      $ ./linux-6.8/tools/testing/selftests/net/tls
> 4) Verify:
>      - No call traces in the kernel log
>      - All modified TLS functions were called
>      - No additional unexpected TLS test failures
> 
> [ Where problems could occur ]
> 
> Modifications are all limited to the tls module so only applications
> that use kernel TLS might suffer.
> 
> [ Notes ]
> 
> 1) 5.15 is not vulnerable to CVE-2024-26582
> 2) All CVEs are fixed by a single upstream patches so the fixes are
>     all rolled into a single PR as well
> 3) The first 19 patches are stable patches from linux-5.15.y
> 
> Signed-off-by: Juerg Haefliger <juerg.haefliger at canonical.com>
> 
> --------
> 
> The following changes since commit b0a254efaa61343ba139c20ccb06f89cc3674647:
> 
>    UBUNTU: Ubuntu-5.15.0-102.112 (2024-03-05 17:28:50 +0100)
> 
> are available in the Git repository at:
> 
>    https://git.launchpad.net/~juergh/+git/linux CVE-2024-26584/jammy
> 
> for you to fetch changes up to 7b6f7bb902be61dcda8b4cd787ec5a56ced93189:
> 
>    net: tls: handle backlogging of crypto requests (2024-03-28 12:10:00 +0100)
> 
> ----------------------------------------------------------------
> Gal Pressman (1):
>        Revert "tls: rx: move counting TlsDecryptErrors for sync"
> 
> Jakub Kicinski (24):
>        tls: rx: jump to a more appropriate label
>        tls: rx: drop pointless else after goto
>        tls: rx: don't store the record type in socket context
>        tls: rx: don't store the decryption status in socket context
>        tls: rx: don't issue wake ups when data is decrypted
>        tls: rx: refactor decrypt_skb_update()
>        tls: hw: rx: use return value of tls_device_decrypted() to carry status
>        tls: rx: drop unnecessary arguments from tls_setup_from_iter()
>        tls: rx: don't report text length from the bowels of decrypt
>        tls: rx: wrap decryption arguments in a structure
>        tls: rx: factor out writing ContentType to cmsg
>        tls: rx: don't track the async count
>        tls: rx: move counting TlsDecryptErrors for sync
>        tls: rx: assume crypto always calls our callback
>        tls: rx: use async as an in-out argument
>        net: tls: fix async vs NIC crypto offload
>        tls: rx: simplify async wait
>        tls: rx: return the already-copied data on crypto error
>        tls: rx: allow only one reader at a time
>        tls: rx: release the sock lock on locking timeout
>        net: tls: factor out tls_*crypt_async_wait()
>        tls: fix race between async notify and socket close
>        tls: fix race between tx work scheduling and socket close
>        net: tls: handle backlogging of crypto requests
> 
> Sabrina Dubroca (3):
>        tls: stop recv() if initial process_rx_list gave us non-DATA
>        tls: decrement decrypt_pending if no async completion will be called
>        tls: extract context alloc/initialization out of tls_set_sw_offload
> 
>   include/net/strparser.h |   4 +
>   include/net/tls.h       |  20 +-
>   net/tls/tls_device.c    |   6 +-
>   net/tls/tls_sw.c        | 600 ++++++++++++++++++++++++++----------------------
>   4 files changed, 334 insertions(+), 296 deletions(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
-- 
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Tim Gardner
Canonical, Inc