[SRU][N][PATCH 0/1] CVE-2024-42280

[Koichiro Den]

[Impact]

mISDN: Fix a use after free in hfcmulti_tx()

Don't dereference *sp after calling dev_kfree_skb(*sp).

[Fix]

Noble:  Clean cherry-pick
Jammy:  fixed via stable
Focal:  fixed via stable
Bionic: fix sent to esm ML
Xenial: fix sent to esm ML
Trusty: not affected

[Test Case]

Compile and boot tested

[Where problems could occur]

This fix affects those who use mISDN driver, an issue with this fix
would be visible to the user via unpredicted system behavior.


Dan Carpenter (1):
  mISDN: Fix a use after free in hfcmulti_tx()

 drivers/isdn/hardware/mISDN/hfcmulti.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

-- 
2.43.0