CVE-2024-26894
"Linux ACPI CPU Idle Device Memory Leak"
Description
In the Linux kernel, the following vulnerability has been resolved: ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit() After unregistering the CPU idle device, the memory associated with it is not freed, leading to a memory leak: unreferenced object 0xffff896282f6c000 (size 1024): comm "swapper/0", pid 1, jiffies 4294893170 hex dump (first 32 bytes): 00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 8836a742): [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340 [<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0 [<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0 [<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50 [<ffffffff99805872>] really_probe+0xe2/0x480 [<ffffffff99805c98>] __driver_probe_device+0x78/0x160 [<ffffffff99805daf>] driver_probe_device+0x1f/0x90 [<ffffffff9980601e>] __driver_attach+0xce/0x1c0 [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0 [<ffffffff99804822>] bus_add_driver+0x112/0x210 [<ffffffff99807245>] driver_register+0x55/0x100 [<ffffffff9aee4acb>] acpi_processor_driver_init+0x3b/0xc0 [<ffffffff990012d1>] do_one_initcall+0x41/0x300 [<ffffffff9ae7c4b0>] kernel_init_freeable+0x320/0x470 [<ffffffff99b231f6>] kernel_init+0x16/0x1b0 [<ffffffff99042e6d>] ret_from_fork+0x2d/0x50 Fix this by freeing the CPU idle device after unregistering it.
INFO
Published Date :
April 17, 2024, 11:15 a.m.
Last Modified :
March 21, 2025, 2:43 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
0.8
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-2024-26894.
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-2024-26894 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-26894 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.
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Initial Analysis by [email protected]
Mar. 21, 2025
Action Type Old Value New Value 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) 5.5 up to (excluding) 5.10.214 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.273 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.7 up to (excluding) 4.19.311 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.8 up to (excluding) 6.8.2 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Added Reference Type CVE: https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8 Types: Patch Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Types: Mailing List, Third Party Advisory Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html Types: Mailing List, Third Party Advisory -
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/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2 Added Reference https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc Added Reference https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e Added Reference https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5 Added Reference https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9 Added Reference https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa Added Reference https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51 Added Reference https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d Added Reference https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8 Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00020.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 Removed Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 01, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-770 Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 27, 2024
Action Type Old Value New Value Added Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html [No types assigned] -
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: ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit() After unregistering the CPU idle device, the memory associated with it is not freed, leading to a memory leak: unreferenced object 0xffff896282f6c000 (size 1024): comm "swapper/0", pid 1, jiffies 4294893170 hex dump (first 32 bytes): 00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 8836a742): [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340 [<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0 [<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0 [<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50 [<ffffffff99805872>] really_probe+0xe2/0x480 [<ffffffff99805c98>] __driver_probe_device+0x78/0x160 [<ffffffff99805daf>] driver_probe_device+0x1f/0x90 [<ffffffff9980601e>] __driver_attach+0xce/0x1c0 [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0 [<ffffffff99804822>] bus_add_driver+0x112/0x210 [<ffffffff99807245>] driver_register+0x55/0x100 [<ffffffff9aee4acb>] acpi_processor_driver_init+0x3b/0xc0 [<ffffffff990012d1>] do_one_initcall+0x41/0x300 [<ffffffff9ae7c4b0>] kernel_init_freeable+0x320/0x470 [<ffffffff99b231f6>] kernel_init+0x16/0x1b0 [<ffffffff99042e6d>] ret_from_fork+0x2d/0x50 Fix this by freeing the CPU idle device after unregistering it. Added Reference kernel.org https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-26894 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-2024-26894
weaknesses.