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TI-2025-15670 Aliases CVE-2025-21715GHSA-cmvg-6vcw-642h

net: davicom: fix UAF in dm9000_drv_remove

Priority LOW 36CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

In the Linux kernel, the following vulnerability has been resolved: net: davicom: fix UAF in dm9000_drv_remove dm is netdev private data and it cannot be used after free_netdev() call. Using dm after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function. This is similar to the issue fixed in commit ad297cd2db89 ("net: qcom/emac: fix UAF in emac_remove"). This bug is detected by our static analysis tool.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0024 15th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.4.291, 5.10.235, 4.5 +10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux5.4.106 to before 5.4.291; 5.10.24 to before 5.10.235; 4.4.262 to before 4.5; 4.9.262 to before 4.10; 4.14.226 to before 4.15; 4.19.181 to before 4.20; 5.11.7 to before 5.125.4.291, 5.10.235, 4.5, 4.10, 4.15, 4.20, 5.12Patch availableCNA
LinuxLinux5.12 and later5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.76, 6.12.13, 6.13.2, 6.14Patch availableCNA
  • Linux VendorLinux Affected 5.4.106 to before 5.4.291; 5.10.24 to before 5.10.235; 4.4.262 to before 4.5; 4.9.262 to before 4.10; 4.14.226 to before 4.15; 4.19.181 to before 4.20; 5.11.7 to before 5.12 Fixed in 5.4.291, 5.10.235, 4.5, 4.10, 4.15, 4.20, 5.12 Patch available CNA
  • Linux VendorLinux Affected 5.12 and later Fixed in 5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.76, 6.12.13, 6.13.2, 6.14 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.4.262 to before 4.5; 4.9.262 to before 4.10; 4.14.226 to before 4.15; 4.19.181 to before 4.20; 5.4.106 to before 5.4.291; 5.10.24 to before 5.10.235; 5.11.7 to before 5.15.179; 5.16 to before 6.1.129; 6.2 to before 6.6.76; 6.7 to before 6.12.13; 6.13 to before 6.13.2VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.4.262 to before 4.5; 4.9.262 to before 4.10; 4.14.226 to before 4.15; 4.19.181 to before 4.20; 5.4.106 to before 5.4.291; 5.10.24 to before 5.10.235; 5.11.7 to before 5.15.179; 5.16 to before 6.1.129; 6.2 to before 6.6.76; 6.7 to before 6.12.13; 6.13 to before 6.13.2 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.4.291, 5.10.235, 4.5, 4.10, 4.15, 4.20, 5.12
  • Fix · CNA Linux (Linux) Fixed in 5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.76, 6.12.13, 6.13.2, 6.14

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 5 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-21715
  2. 2026-10-03 Alias added: GHSA-cmvg-6vcw-642h

References

Patch 8

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences