CVE-2024-41057

Kernel memory corruption via CacheFiles withdrawal race

Published Jul 29, 2024 · Updated Aug 5, 2026

Use-after-free in Linux allows local users to corrupt kernel memory during concurrent CacheFiles volume lookup and cache withdrawal. cachefiles_withdraw_cache() frees a CacheFiles volume before an in-flight cookie lookup increments the cache object count, so cachefiles_withdraw_cookie() later dereferences the freed volume. Local access and an active CacheFiles backend are required to win the withdrawal race; the resulting kernel fault exposes or alters kernel data or crashes the system.

CVSS severity7.0
High
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Linux allows local users to corrupt kernel memory during concurrent CacheFiles volume lookup and cache withdrawal. cachefiles_withdraw_cache() frees a CacheFiles volume before an in-flight cookie lookup increments the cache object count, so cachefiles_withdraw_cookie() later dereferences the freed volume. Local access and an active CacheFiles backend are required to win the withdrawal race; the resulting kernel fault exposes or alters kernel data or crashes the system.

The record

CVE
CVE-2024-41057
Published
Jul 29, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-416, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 29, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.17
  2. Affected versionversion=fe2140e2f57fef8562e0f9b7cd447d2b08dc2f35 <5d8f805789072ea7fd39504694b7bd17e5f751c4
  3. Affected versionversion=fe2140e2f57fef8562e0f9b7cd447d2b08dc2f35 <8de253177112a47c9af157d23ae934779188b4e1
  4. Affected versionversion=fe2140e2f57fef8562e0f9b7cd447d2b08dc2f35 <9e67589a4a7b7e5660b524d1d5fe61242bcbcc11
  5. Affected versionversion=fe2140e2f57fef8562e0f9b7cd447d2b08dc2f35 <ef81340401e8a371d6b17f69e76d861920972cfe

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=5.17; version=fe2140e2f57fef8562e0f9b7cd447d2b08dc2f35 <5d8f805789072ea7fd39504694b7bd17e5f751c4; version=fe2140e2f57fef8562e0f9b7cd447d2b08dc2f35 <8de253177112a47c9af157d23ae934779188b4e1; version=fe2140e2f57fef8562e0f9b7cd447d2b08dc2f35 <9e67589a4a7b7e5660b524d1d5fe61242bcbcc11; version=fe2140e2f57fef8562e0f9b7cd447d2b08dc2f35 <ef81340401e8a371d6b17f69e76d861920972cfe

Published CVSS scores

7.0NIST NVDCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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