5.5

CVE-2026-23330: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-23330DEBIAN-CVE-2026-23330
Published 25-03-2026Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2026-23330 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 14 · Related 14
USN-8567-1USN-8574-1USN-8574-2USN-8574-3USN-8595-1USN-8595-2

Timeline

  1. 25-03-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: complete pending data exchange on device close In nci_close_device(), complete any pending data exchange before closing. The data exchange callback (e.g. rawsock_data_exchange_complete) holds a socket reference. NIPA occasionally hits this leak: unreferenced object 0xff1100000f435000 (size 2048): comm "nci_dev", pid 3954, jiffies 4295441245 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 27 00 01 40 00 00 00 00 00 00 00 00 00 00 00 00 '..@............ backtrace (crc ec2b3c5): __kmalloc_noprof+0x4db/0x730 sk_prot_alloc.isra.0+0xe4/0x1d0 sk_alloc+0x36/0x760 rawsock_create+0xd1/0x540 nfc_sock_create+0x11f/0x280 __sock_create+0x22d/0x630 __sys_socket+0x115/0x1d0 __x64_sys_socket+0x72/0xd0 do_syscall_64+0x117/0xfc0 entry_SYSCALL_64_after_hwframe+0x4b/0x53

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.12% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.12%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 6.8.0-136.136
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1061.64
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 38f04c6b1b682f1879441e2925403ad9aff9e229, < 9df613ef6e8e873cdab969a11f74823488977f1f | ≥ 38f04c6b1b682f1879441e2925403ad9aff9e229, < 702029337b057085ea13f964822dcd95e0fe53f5 | ≥ 38f04c6b1b682f1879441e2925403ad9aff9e229, < 91ff0d8c3464da7f0c43da38c195e60b660128bf | ≥ 38f04c6b1b682f1879441e2925403ad9aff9e229, < d05f55d68ebdebb2b0a8480d766eaae88c8c92de | ≥ 38f04c6b1b682f1879441e2925403ad9aff9e229, < 66083581945bd5b8e99fe49b5aeb83d03f62d053 | 3.2
  • linux_kernel≥ 3.2.1, < 6.12.82 | ≥ 6.13, < 6.18.17 | ≥ 6.19, < 6.19.7 | 3.2 | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.0:rc5 | 7.0:rc6 | 7.0:rc7
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.12.85-1 | < 6.19.8-1

3 vendors · 160 products

References

23 links
Show all 23 references