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CVE-2024-35915· NVD / CVE Program· CNA Linux

nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet syzbot reported the following uninit-value access issue [1][2]: nci_rx_work() parses and processes received packet. When the payload length is zero, each message type handler reads uninitialized payload and KMSAN detects this issue. The receipt of a packet with a zero-size payload is considered unexpected, and therefore, such packets should be silently discarded. This patch resolved this issue by checking payload size before calling each message type handler codes.

MediumCVSS 5.5 · v3.1—No exploit Fix available

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Published
May 19, 2024
Updated
Aug 5, 2026
EPSS
0.3% · 23th percentile
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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.

CNA vs NVD score

NVD
5.5
CNA · Linux
8.8
3.3 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
linuxlinux kernel
debiandebian linux

Affected versions

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

  • debian debian linux10.0
  • linux linux kernel4.20 and later · before 5.4.274
  • linux linux kernel5.5 and later · before 5.10.215
  • linux linux kernel5.11 and later · before 5.15.154
  • linux linux kernel3.2 and later · before 4.19.312
  • linux linux kernel6.2 and later · before 6.6.26
  • linux linux kernel6.7 and later · before 6.8.5
  • linux linux kernel5.16 and later · before 6.1.85
  • linux linux kernel6.9

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

    • 3.2affected
    • 6a2968aaf50c7a22fced77a5e24aa636281efca8 and later · before 11387b2effbb55f58dc2111ef4b4b896f2756240affected · git
    • 6a2968aaf50c7a22fced77a5e24aa636281efca8 and later · before 03fe259649a551d336a7f20919b641ea100e3fffaffected · git
    • 6a2968aaf50c7a22fced77a5e24aa636281efca8 and later · before 755e53bbc61bc1aff90eafa64c8c2464fd3dfa3caffected · git
    • 6a2968aaf50c7a22fced77a5e24aa636281efca8 and later · before ac68d9fa09e410fa3ed20fb721d56aa558695e16affected · git
    • 6a2968aaf50c7a22fced77a5e24aa636281efca8 and later · before b51ec7fc9f877ef869c01d3ea6f18f6a64e831a7affected · git
    • 6a2968aaf50c7a22fced77a5e24aa636281efca8 and later · before a946ebee45b09294c8b0b0e77410b763c4d2817aaffected · git
    • 6a2968aaf50c7a22fced77a5e24aa636281efca8 and later · before 8948e30de81faee87eeee01ef42a1f6008f5a83aaffected · git
    • 6a2968aaf50c7a22fced77a5e24aa636281efca8 and later · before d24b03535e5eb82e025219c2f632b485409c898faffected · git
    • before 3.2not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.85-16.1.85-1
Debian:13linuxbefore 6.8.9-16.8.9-1

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 Linux03fe259649a551d336a7f20919b641ea100e3fffVendor (CNA)
Linux Linux11387b2effbb55f58dc2111ef4b4b896f2756240Vendor (CNA)
Linux Linux755e53bbc61bc1aff90eafa64c8c2464fd3dfa3cVendor (CNA)
Linux Linux8948e30de81faee87eeee01ef42a1f6008f5a83aVendor (CNA)
Linux Linuxa946ebee45b09294c8b0b0e77410b763c4d2817aVendor (CNA)
Linux Linuxac68d9fa09e410fa3ed20fb721d56aa558695e16Vendor (CNA)
Linux Linuxb51ec7fc9f877ef869c01d3ea6f18f6a64e831a7Vendor (CNA)
Linux Linuxd24b03535e5eb82e025219c2f632b485409c898fVendor (CNA)
debian:linux6.1.85-1 · 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.

  • CVE-2024-50302183 days apartHID: core: zero-initialize the report bufferKEV
    52Plan
  • CVE-2024-47685155 days apartnetfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()
    36Monitor
  • CVE-2021-475535 days apartsched/scs: Reset task stack state in bringup_cpu()
    31Monitor
  • CVE-2024-3689811 days apartgpiolib: cdev: fix uninitialised kfifo
    31Monitor
  • CVE-2024-2702218 days apartfork: defer linking file vma until vma is fully initialized
    31Monitor
  • CVE-2024-50143172 days apartudf: fix uninit-value use in udf_get_fileshortad
    31Monitor

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)

CWE-908 · Use of Uninitialized Resource

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