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CVE-2024-38579· NVD / CVE Program· CNA Linux

crypto: bcm - Fix pointer arithmetic

In the Linux kernel, the following vulnerability has been resolved: crypto: bcm - Fix pointer arithmetic In spu2_dump_omd() value of ptr is increased by ciph_key_len instead of hash_iv_len which could lead to going beyond the buffer boundaries. Fix this bug by changing ciph_key_len to hash_iv_len. Found by Linux Verification Center (linuxtesting.org) with SVACE.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Jun 19, 2024
Updated
Jun 17, 2026
EPSS
0.3% · 15th percentile
CWE
—
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Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel4.11 and later · before 4.19.316
  • linux linux kernel4.20 and later · before 5.4.278
  • linux linux kernel5.5 and later · before 5.10.219
  • linux linux kernel5.11 and later · before 5.15.161
  • linux linux kernel5.16 and later · before 6.1.93
  • linux linux kernel6.2 and later · before 6.6.33
  • linux linux kernel6.7 and later · before 6.8.12
  • linux linux kernel6.9 and later · before 6.9.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 4.11affected
    • 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 and later · before c256b616067bfd6d274c679c06986b78d2402434affected · git
    • 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 and later · before e719c8991c161977a67197775067ab456b518c7baffected · git
    • 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 and later · before ebed0d666fa709bae9e8cafa8ec6e7ebd1d318c6affected · git
    • 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 and later · before c69a1e4b419c2c466dd8c5602bdebadc353973ddaffected · git
    • 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 and later · before 49833a8da6407e7e9b532cc4054fdbcaf78f5fddaffected · git
    • 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 and later · before d0f14ae223c2421b334c1f1a9e48f1e809aee3a0affected · git
    • 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 and later · before c0082ee420639a97e40cae66778b02b341b005e5affected · git
    • 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 and later · before 3b7a40740f04e2f27114dfd6225c5e721dda9d57affected · git
    • 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 and later · before 2b3460cbf454c6b03d7429e9ffc4fe09322eb1a9affected · git

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.94-16.1.94-1
Debian:13linuxbefore 6.8.12-16.8.12-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now
  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
    83Now
  • CVE-2019-13272In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to creKEV
    77This week
  • CVE-2013-6282The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addKEV
    77This week
  • CVE-2013-2094The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows loKEV
    77This week

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux2b3460cbf454c6b03d7429e9ffc4fe09322eb1a9Vendor (CNA)
Linux Linux3b7a40740f04e2f27114dfd6225c5e721dda9d57Vendor (CNA)
Linux Linux49833a8da6407e7e9b532cc4054fdbcaf78f5fddVendor (CNA)
Linux Linuxc0082ee420639a97e40cae66778b02b341b005e5Vendor (CNA)
Linux Linuxc256b616067bfd6d274c679c06986b78d2402434Vendor (CNA)
Linux Linuxc69a1e4b419c2c466dd8c5602bdebadc353973ddVendor (CNA)
Linux Linuxd0f14ae223c2421b334c1f1a9e48f1e809aee3a0Vendor (CNA)
Linux Linuxe719c8991c161977a67197775067ab456b518c7bVendor (CNA)
Linux Linuxebed0d666fa709bae9e8cafa8ec6e7ebd1d318c6Vendor (CNA)
debian:linux6.1.94-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

—

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records