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CVE-2024-26894: debian debian_linux

CVSS: 6.0v3.1MediumModified
AliasesUBUNTU-CVE-2024-26894DEBIAN-CVE-2024-26894
Published 17-04-2024Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2024-26894 is a medium (CVSS 6.0) vulnerability in debian debian_linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.8% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.0/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 33 · Related 26
DLA-3840-1DLA-3842-1DSA-5681-1RHSA-2024:7000RHSA-2024:7001RHSA-2024:9315

Timeline

  1. 17-04-2024
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu117 products
  • linuxAll versions (No fix recorded) | < 5.4.0-189.209 | < 5.15.0-112.122 | < 6.8.0-35.35
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1128.138 | < 5.15.0-1063.69 | < 6.8.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
Linux2 products
  • linux≥ 3d339dcbb56d8d70c1b959aff87d74adc3a84eea, < d351bcadab6caa6d8ce7159ff4b77e2da35c09fa | ≥ 3d339dcbb56d8d70c1b959aff87d74adc3a84eea, < ea96bf3f80625cddba1391a87613356b1b45716d | ≥ 3d339dcbb56d8d70c1b959aff87d74adc3a84eea, < c2a30c81bf3cb9033fa9f5305baf7c377075e2e5 | ≥ 3d339dcbb56d8d70c1b959aff87d74adc3a84eea, < 1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2 | ≥ 3d339dcbb56d8d70c1b959aff87d74adc3a84eea, < fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8 | ≥ 3d339dcbb56d8d70c1b959aff87d74adc3a84eea, < 3d48e5be107429ff5d824e7f2a00d1b610d36fbc | ≥ 3d339dcbb56d8d70c1b959aff87d74adc3a84eea, < 8d14a4d0afb49a5b8535d414c782bb334860e73e | ≥ 3d339dcbb56d8d70c1b959aff87d74adc3a84eea, < cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9 | ≥ 3d339dcbb56d8d70c1b959aff87d74adc3a84eea, < e18afcb7b2a12b635ac10081f943fcf84ddacc51 | 3.7
  • linux_kernel≥ 3.7, < 4.19.311 | ≥ 4.20, < 5.4.273 | ≥ 5.5, < 5.10.214 | ≥ 5.11, < 5.15.153 | ≥ 5.16, < 6.1.83 | ≥ 6.2, < 6.6.23 | ≥ 6.7, < 6.7.11 | ≥ 6.8, < 6.8.2

3 vendors · 121 products

References

36 links
Show all 36 references