4.7
MEDIUM
CVE-2024-26861
WireGuard Linux Kernel Data Race Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: wireguard: receive: annotate data-race around receiving_counter.counter Syzkaller with KCSAN identified a data-race issue when accessing keypair->receiving_counter.counter. Use READ_ONCE() and WRITE_ONCE() annotations to mark the data race as intentional. BUG: KCSAN: data-race in wg_packet_decrypt_worker / wg_packet_rx_poll write to 0xffff888107765888 of 8 bytes by interrupt on cpu 0: counter_validate drivers/net/wireguard/receive.c:321 [inline] wg_packet_rx_poll+0x3ac/0xf00 drivers/net/wireguard/receive.c:461 __napi_poll+0x60/0x3b0 net/core/dev.c:6536 napi_poll net/core/dev.c:6605 [inline] net_rx_action+0x32b/0x750 net/core/dev.c:6738 __do_softirq+0xc4/0x279 kernel/softirq.c:553 do_softirq+0x5e/0x90 kernel/softirq.c:454 __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499 process_one_work kernel/workqueue.c:2633 [inline] ... read to 0xffff888107765888 of 8 bytes by task 3196 on cpu 1: decrypt_packet drivers/net/wireguard/receive.c:252 [inline] wg_packet_decrypt_worker+0x220/0x700 drivers/net/wireguard/receive.c:501 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706 worker_thread+0x525/0x730 kernel/workqueue.c:2787 ...

INFO

Published Date :

April 17, 2024, 11:15 a.m.

Last Modified :

April 2, 2025, 1:16 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.0
Affected Products

The following products are affected by CVE-2024-26861 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Debian debian_linux
: Total Affected Vendor : 2 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-26861.

URL Resource
https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6 Patch
https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce Patch
https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b Patch
https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3 Patch
https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0 Patch
https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc Patch
https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed Patch
https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6 Patch
https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce Patch
https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b Patch
https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3 Patch
https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0 Patch
https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc Patch
https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed Patch
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Mailing List

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-26861 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-26861 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Apr. 02, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-362
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.7.11 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.23 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.83 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.153 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.8 up to (excluding) 6.8.2 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.7 up to (excluding) 5.10.214
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    Added Reference Type CVE: https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6 Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3 Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0 Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Types: Mailing List
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6
    Added Reference https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce
    Added Reference https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b
    Added Reference https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3
    Added Reference https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0
    Added Reference https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc
    Added Reference https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed
    Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Nov. 05, 2024

    Action Type Old Value New Value
    Removed Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 25, 2024

    Action Type Old Value New Value
    Added Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html [No types assigned]
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 29, 2024

    Action Type Old Value New Value
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Apr. 17, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: wireguard: receive: annotate data-race around receiving_counter.counter Syzkaller with KCSAN identified a data-race issue when accessing keypair->receiving_counter.counter. Use READ_ONCE() and WRITE_ONCE() annotations to mark the data race as intentional. BUG: KCSAN: data-race in wg_packet_decrypt_worker / wg_packet_rx_poll write to 0xffff888107765888 of 8 bytes by interrupt on cpu 0: counter_validate drivers/net/wireguard/receive.c:321 [inline] wg_packet_rx_poll+0x3ac/0xf00 drivers/net/wireguard/receive.c:461 __napi_poll+0x60/0x3b0 net/core/dev.c:6536 napi_poll net/core/dev.c:6605 [inline] net_rx_action+0x32b/0x750 net/core/dev.c:6738 __do_softirq+0xc4/0x279 kernel/softirq.c:553 do_softirq+0x5e/0x90 kernel/softirq.c:454 __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499 process_one_work kernel/workqueue.c:2633 [inline] ... read to 0xffff888107765888 of 8 bytes by task 3196 on cpu 1: decrypt_packet drivers/net/wireguard/receive.c:252 [inline] wg_packet_decrypt_worker+0x220/0x700 drivers/net/wireguard/receive.c:501 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706 worker_thread+0x525/0x730 kernel/workqueue.c:2787 ...
    Added Reference kernel.org https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-26861 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-26861 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: