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NVD / CVE Program· CNA Linux

CVE-2022-50706: net/ieee802154: don't warn zero-sized raw_sendmsg()

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.20% (FIRST EPSS).
  • Fixed version: Linux Linux 34f31a2b667914ab701ca725554a0b447809d7ef, 4a36de8947794fa21435d1e916e089095f3246a8, 5.10.150.

Low priority for now. Upgrade to Linux Linux 34f31a2b667914ab701ca725554a0b447809d7ef, 4a36de8947794fa21435d1e916e089095f3246a8, 5.10.150 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: net/ieee802154: don't warn zero-sized raw_sendmsg() syzbot is hitting skb_assert_len() warning at __dev_queue_xmit() [1], for PF_IEEE802154 socket's zero-sized raw_sendmsg() request is hitting __dev_queue_xmit() with skb->len == 0. Since PF_IEEE802154 socket's zero-sized raw_sendmsg() request was able to return 0, don't call __dev_queue_xmit() if packet length is 0. ---------- #include <sys/socket.h> #include <netinet/in.h> int main(int argc, char *argv[]) { struct sockaddr_in addr = { .sin_family = AF_INET, .sin_addr.s_addr = htonl(INADDR_LOOPBACK) }; struct iovec iov = { }; struct msghdr hdr = { .msg_name = &addr, .msg_namelen = sizeof(addr), .msg_iov = &iov, .msg_iovlen = 1 }; sendmsg(socket(PF_IEEE802154, SOCK_RAW, 0), &hdr, 0); return 0; } ---------- Note that this might be a sign that commit fd1894224407c484 ("bpf: Don't redirect packets with invalid pkt_len") should be reverted, for skb->len == 0 was acceptable for at least PF_IEEE802154 socket.

—No exploit Fix available
Published
Dec 24, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 10th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

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

    • 6.0affected
    • 8b68e53d56697a59b5c53893b53f508bbdf272a0 and later · before 4a36de8947794fa21435d1e916e089095f3246a8affected · git
    • 6204bf78b2a903b96ba43afff6abc0b04d6e0462 and later · before 791489a5c56396ddfed75fc525066d4738dace46affected · git
    • a75987714bd2d8e59840667a28e15c1fa5c47554 and later · before 34f31a2b667914ab701ca725554a0b447809d7efaffected · git
    • 72f2dc8993f10262092745a88cb2dd0fef094f23 and later · before df0da3fc131132b6c32a15c4da4ffa3a5aea1af2affected · git
    • fd1894224407c484f652ad456e1ce423e89bb3eb and later · before 9974d220c5073d035b5469d1d8ecd71da86c7afdaffected · git
    • fd1894224407c484f652ad456e1ce423e89bb3eb and later · before b12e924a2f5b960373459c8f8a514f887adf5cacaffected · git
    • 5.4.212 and later · before 5.4.220affected · semver
    • 5.10.141 and later · before 5.10.150affected · semver
    • 5.15.65 and later · before 5.15.75affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.0.3-16.0.3-1
SUSE:Linux Enterprise Live Patching 12 SP5kernel-defaultbefore 4.12.14-122.290.14.12.14-122.290.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_76before 1-8.7.11-8.7.1
SUSE:Linux Enterprise Server 12 SP5-LTSSkernel-sourcebefore 4.12.14-122.290.14.12.14-122.290.1
SUSE:Linux Enterprise Server 12 SP5-LTSSkernel-symsbefore 4.12.14-122.290.14.12.14-122.290.1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2022-50704Dec 24, 2025 · USB: gadget: Fix use-after-free during usb config switch
    0Monitor
  • ← EarlierCVE-2022-50705Dec 24, 2025 · io_uring/rw: defer fsnotify calls to task context
    0Monitor
  • Later →CVE-2022-50707Dec 24, 2025 · virtio-crypto: fix memory leak in virtio_crypto_alg_skcipher_close_session()
    0Monitor

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 Linux34f31a2b667914ab701ca725554a0b447809d7efVendor (CNA)
Linux Linux4a36de8947794fa21435d1e916e089095f3246a8Vendor (CNA)
Linux Linux5.10.150Vendor (CNA)
Linux Linux5.15.75Vendor (CNA)
Linux Linux5.19.17Vendor (CNA)
Linux Linux5.4.220Vendor (CNA)
Linux Linux791489a5c56396ddfed75fc525066d4738dace46Vendor (CNA)
Linux Linux9974d220c5073d035b5469d1d8ecd71da86c7afdVendor (CNA)
Linux Linuxb12e924a2f5b960373459c8f8a514f887adf5cacVendor (CNA)
Linux Linuxdf0da3fc131132b6c32a15c4da4ffa3a5aea1af2Vendor (CNA)
debian:linux6.0.3-1 · Debian:12Package registry (OSV)
suse:kernel-default4.12.14-122.290.1 · SUSE:Linux Enterprise Live Patching 12 SP5Package registry (OSV)
suse:kernel-source4.12.14-122.290.1 · SUSE:Linux Enterprise Server 12 SP5-LTSSPackage registry (OSV)
suse:kernel-syms4.12.14-122.290.1 · SUSE:Linux Enterprise Server 12 SP5-LTSSPackage registry (OSV)
suse:kgraft-patch-SLE12-SP5_Update_761-8.7.1 · SUSE:Linux Enterprise Live Patching 12 SP5Package 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.

No history yet (it accumulates with the daily EPSS job).

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

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

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✗ → ✓

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References

Show all references (5 more)

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

All records