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SUSE: net-tools Moderate Buffer Overflow Fix CVE-2025-46836 2025:03260-1

suse
Calendar Grey September 18, 2025
Dist Suse Esm H88
Vital challenges are tackled in this SUSE patch for net-tools, improving system defenses against memory overflows.
* bsc#1243581 * bsc#1246608 * bsc#1248410 * bsc#1248687 * bsc#142461

Summary

## This update for net-tools fixes the following issues: Security issues fixed: * CVE-2025-46836: missing bounds check in `get_name` may lead to a stack buffer overflow (bsc#1243581). * Avoid unsafe use of `memcpy` in `ifconfig` (bsc#1248687). * Prevent overflow in `ax25` and `netrom` (bsc#1248687). * Fix stack buffer overflow in `parse_hex` (bsc#1248687). * Fix stack buffer overflow in `proc_gen_fmt` (bsc#1248687). Other issues fixed: * Allow use of long interface names after CVE-2025-46836 fix, even if they are not accepted by the kernel (bsc#1248410). * Fix netrom support. ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product:

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SuSE net-tools stack overflow

References

* bsc#1243581

* bsc#1246608

* bsc#1248410

* bsc#1248687

* bsc#142461

Cross-

* CVE-2025-46836

CVSS scores:

* CVE-2025-46836 ( SUSE ): 5.8

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

* CVE-2025-46836 ( SUSE ): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

* CVE-2025-46836 ( NVD ): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Affected Products:

* Basesystem Module 15-SP6

* Basesystem Module 15-SP7

* Legacy Module 15-SP6

* Legacy Module 15-SP7

* openSUSE Leap 15.6

* SUSE Linux Enterprise Desktop 15 SP6

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Micro 5.1

* SUSE Linux Enterprise Micro 5.2

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Micro for Rancher 5.2

Announcement ID: SUSE-SU-2025:03260-1
Release Date: 2025-09-18T00:10:06Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SuSE net-tools stack overflow

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