net: usb: lan78xx: Fix double free issue with interrupt buffer allocation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-53213
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-12-27 14:15:29 UTC
Updated2026-06-01 17:16:30 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Fix double free issue with interrupt buffer allocation In lan78xx_probe(), the buffer `buf` was being freed twice: once implicitly through `usb_free_urb(dev->urb_intr)` with the `URB_FREE_BUFFER` flag and again explicitly by `kfree(buf)`. This caused a double free issue. To resolve this, reordered `kmalloc()` and `usb_alloc_urb()` calls to simplify the initialization sequence and removed the redundant `kfree(buf)`. Now, `buf` is allocated after `usb_alloc_urb()`, ensuring it is correctly managed by `usb_fill_int_urb()` and freed by `usb_free_urb()` as intended.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-415 | CWE-415 CWE-415 Double Free

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 3281ebb3dc5ef19507e65523e9f8c00e20b285ca cc5aa8e3ad69dcedeba79e667d4a2efb72a305af git Not specified
CNA Linux Linux affected dcafa5a8452738eb28085f559b0683d55e22b2f5 2970ef2fce90c661952ec2b451b0276d5f8d6180 git Not specified
CNA Linux Linux affected a6df95cae40bee555e01a37b4023ce8e97ffa249 977128343fc2a30737399b58df8ea77e94f164bd git Not specified
CNA Linux Linux affected a6df95cae40bee555e01a37b4023ce8e97ffa249 a422ebec863d99d5607fb41bb7af3347fcb436d3 git Not specified
CNA Linux Linux affected a6df95cae40bee555e01a37b4023ce8e97ffa249 b09512aea6223eec756f52aa584fc29eeab57480 git Not specified
CNA Linux Linux affected a6df95cae40bee555e01a37b4023ce8e97ffa249 7ac9f3c981eeceee2ec4d30d850f4a6f50a1ec40 git Not specified
CNA Linux Linux affected a6df95cae40bee555e01a37b4023ce8e97ffa249 03819abbeb11117dcbba40bfe322b88c0c88a6b6 git Not specified
CNA Linux Linux affected 5.10.252 5.10.258 semver Not specified
CNA Linux Linux affected 5.15.202 5.15.209 semver Not specified
CNA Linux Linux affected 5.17 Not specified
CNA Linux Linux unaffected 5.17 semver Not specified
CNA Linux Linux unaffected 5.10.258 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.209 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.120 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.64 6.6.* semver Not specified
CNA Linux Linux unaffected 6.11.11 6.11.* semver Not specified
CNA Linux Linux unaffected 6.12.2 6.12.* semver Not specified
CNA Linux Linux unaffected 6.13 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/977128343fc2a30737399b58df8ea77e94f164bd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/cc5aa8e3ad69dcedeba79e667d4a2efb72a305af 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7ac9f3c981eeceee2ec4d30d850f4a6f50a1ec40 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/a422ebec863d99d5607fb41bb7af3347fcb436d3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b09512aea6223eec756f52aa584fc29eeab57480 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/03819abbeb11117dcbba40bfe322b88c0c88a6b6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/03/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/2970ef2fce90c661952ec2b451b0276d5f8d6180 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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