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NOTICE UPDATED - April, 25th 2024

NIST has updated the NVD program announcement page with additional information regarding recent concerns and the temporary delays in enrichment efforts.

CVE-2024-26894 Detail

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.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD assessment not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

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Hyperlink Resource
https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2
https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc
https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e
https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5
https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9
https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa
https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51
https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d
https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-26894
NVD Published Date:
04/17/2024
NVD Last Modified:
04/17/2024
Source:
kernel.org