What is CVE-2024-42141?

CVE-2024-42141 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 6.5.12 onward and patched in 6.6.39, 6.9.9 and 6.10. CVE-2024-42141 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-42141?

CVE-2024-42141 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-42141?

Yes, CVE-2024-42141 has been patched. Fixed versions include 6.6.39, 6.9.9 and 6.10. If you are running Linux kernel 6.5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-42141 actively exploited?

CVE-2024-42141 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2024-42141

Medium

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,

Package Linux Kernel

Published 2024-07-30

Last modified 2024-12-11

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-476

CVE-2024-42141 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.5.12, 6.6 and later are affected. Fixed in 6.6.39, 6.9.9, 6.10 and their respective stable series.

Affected from

≥ 6.5.12 ≥ 6.6

Fixed in

✓ 6.6.39 6.6.x ✓ 6.9.9 6.9.x ✓ 6.10

References

3 total

Kernel Git
https://git.kernel.org/stable/c/045669710464a21c67e690ef14698fd71857cb11

Patch
Kernel Git
https://git.kernel.org/stable/c/33fabef489169c6db87843ef23351ed0d5e51ad8

Patch
Kernel Git
https://git.kernel.org/stable/c/596b6f081336e77764ca35cfeab66d0fcdbe544e

Patch

Details

CVE ID CVE-2024-42141

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-30

Modified 2024-12-11

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-42141?

CVE-2024-42141 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 6.5.12 onward and has been patched in 6.6.39, 6.9.9 and 6.10. CVE-2024-42141 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-42141?

CVE-2024-42141 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-42141?

Yes. CVE-2024-42141 has been patched. Fixed versions include 6.6.39, 6.9.9 and 6.10. If you are running Linux kernel 6.5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-42141 actively exploited?

No. CVE-2024-42141 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.