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Ubuntu: (Multiple Advisories) (CVE-2024-42141): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2024-42141): Linux kernel vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/30/2024
Created
11/05/2024
Added
11/04/2024
Modified
11/20/2024

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Check socket flag instead of hcon This fixes the following Smatch static checker warning: net/bluetooth/iso.c:1364 iso_sock_recvmsg() error: we previously assumed 'pi->conn->hcon' could be null (line 1359) net/bluetooth/iso.c 1347 static int iso_sock_recvmsg(struct socket *sock, struct msghdr *msg, 1348 size_t len, int flags) 1349 { 1350 struct sock *sk = sock->sk; 1351 struct iso_pinfo *pi = iso_pi(sk); 1352 1353 BT_DBG("sk %p", sk); 1354 1355 if (test_and_clear_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) { 1356 lock_sock(sk); 1357 switch (sk->sk_state) { 1358 case BT_CONNECT2: 1359 if (pi->conn->hcon && ^^^^^^^^^^^^^^ If ->hcon is NULL 1360 test_bit(HCI_CONN_PA_SYNC, &pi->conn->hcon->flags)) { 1361 iso_conn_big_sync(sk); 1362 sk->sk_state = BT_LISTEN; 1363 } else { --> 1364 iso_conn_defer_accept(pi->conn->hcon); ^^^^^^^^^^^^^^ then we're toast 1365 sk->sk_state = BT_CONFIG; 1366 } 1367 release_sock(sk); 1368 return 0; 1369 case BT_CONNECTED: 1370 if (test_bit(BT_SK_PA_SYNC,

Solution(s)

  • ubuntu-upgrade-linux-image-6-8-0-1013-gke
  • ubuntu-upgrade-linux-image-6-8-0-1014-ibm
  • ubuntu-upgrade-linux-image-6-8-0-1014-raspi
  • ubuntu-upgrade-linux-image-6-8-0-1015-oracle
  • ubuntu-upgrade-linux-image-6-8-0-1015-oracle-64k
  • ubuntu-upgrade-linux-image-6-8-0-1016-azure
  • ubuntu-upgrade-linux-image-6-8-0-1016-azure-fde
  • ubuntu-upgrade-linux-image-6-8-0-1016-gcp
  • ubuntu-upgrade-linux-image-6-8-0-1016-oem
  • ubuntu-upgrade-linux-image-6-8-0-1017-azure
  • ubuntu-upgrade-linux-image-6-8-0-1017-azure-fde
  • ubuntu-upgrade-linux-image-6-8-0-1017-gcp
  • ubuntu-upgrade-linux-image-6-8-0-1017-nvidia
  • ubuntu-upgrade-linux-image-6-8-0-1017-nvidia-64k
  • ubuntu-upgrade-linux-image-6-8-0-1017-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-1017-nvidia-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-8-0-1018-aws
  • ubuntu-upgrade-linux-image-6-8-0-48-generic
  • ubuntu-upgrade-linux-image-6-8-0-48-generic-64k
  • ubuntu-upgrade-linux-image-6-8-0-48-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-48-lowlatency-64k
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-fde
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-64k-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-classic
  • ubuntu-upgrade-linux-image-ibm-lts-24-04
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-64k
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-24-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-22-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-24-04
  • ubuntu-upgrade-linux-image-nvidia
  • ubuntu-upgrade-linux-image-nvidia-6-8
  • ubuntu-upgrade-linux-image-nvidia-64k
  • ubuntu-upgrade-linux-image-nvidia-64k-6-8
  • ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-nvidia-lowlatency-64k
  • ubuntu-upgrade-linux-image-oem-22-04
  • ubuntu-upgrade-linux-image-oem-22-04a
  • ubuntu-upgrade-linux-image-oem-22-04b
  • ubuntu-upgrade-linux-image-oem-22-04c
  • ubuntu-upgrade-linux-image-oem-22-04d
  • ubuntu-upgrade-linux-image-oem-24-04
  • ubuntu-upgrade-linux-image-oem-24-04a
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-64k
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-22-04
  • ubuntu-upgrade-linux-image-virtual-hwe-24-04

References

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