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Fencer Vulns
medium 5.3

CVE-2025-5244 json

GNU Binutils ld elflink.c elf_gc_sweep memory corruption

published 2025-05-27 17 mo ago modified 2026-10-15 25 d ago also EUVD-2025-28431

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

A vulnerability was found in GNU Binutils up to 2.44. It has been rated as critical. Affected by this issue is the function elf_gc_sweep of the file bfd/elflink.c of the component ld. The manipulation leads to memory corruption. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. Upgrading to version 2.45 is able to address this issue. It is recommended to upgrade the affected component.

Patch / fix

  • Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem V1.1.1
  • binutils Debian 14 2.45-3

debian advisories DEBIAN-CVE-2025-5244

  • binutils Ubuntu 22.04 LTS 2.38-4ubuntu2.10
  • binutils Ubuntu 24.04 LTS 2.42-4ubuntu2.6
  • binutils Ubuntu Pro 14.04 LTS 2.24-5ubuntu14.2+esm7
  • binutils Ubuntu Pro 16.04 LTS 2.26.1-1ubuntu1~16.04.8+esm13
  • binutils Ubuntu Pro 18.04 LTS 2.30-21ubuntu1~18.04.9+esm5
  • binutils Ubuntu Pro 20.04 LTS 2.34-6ubuntu1.11+esm1

ubuntu advisories UBUNTU-CVE-2025-5244

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • binutils RHEL 10.1 2.41-58.el10
  • binutils-gold RHEL 10.1 2.41-58.el10

red hat advisories RHSA-2025:20155

  • binutils SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 2.45-160000.1.1
  • bpftool SLES for SAP applications 16.0, SLES 16.0 7.5.0-160000.2.3
  • binutils SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES for SAP 15 SP3 +18 more 2.45-150100.7.57.1
  • perf SLE Module for Development Tools 15 SP6, openSUSE Leap 15.6 6.4.0.git33229.a3afe13a7f-150600.3.17.1
  • perf SLE Module for Development Tools 15 SP7 6.4.0.git54263.0aad576b1c-150700.3.2.2
  • perf SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.38.7.1
  • perf SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 5.14.21-150400.44.20.1
  • perf SLES for SAP 15 SP5, SLES 15 SP5-LTSS, SLE High Performance Computing 15 SP5-LTSS +1 more 5.14.21-150500.52.5.1

suse advisories SUSE-SU-2025:21195-1SUSE-SU-2025:21197-1SUSE-SU-2025:4096-1

  • binutils openSUSE Leap 16.0 2.45-160000.1.1
  • bpftool openSUSE Leap 16.0 7.5.0-160000.2.3
  • cross-rx-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-arm-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-avr-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-bpf-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-ppc-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-pru-binutils openSUSE Leap 16.0 2.45-160000.1.1

opensuse advisories openSUSE-SU-2025:20150-1openSUSE-SU-2025:15651-1

  • binutils AlmaLinux 10 2.41-58.el10.alma.1
  • binutils-gold AlmaLinux 10 2.41-58.el10.alma.1

almalinux advisories ALSA-2025:20155

  • binutils Rocky Linux 10 2.41-58.el10

rocky linux advisories RLSA-2025:20155

  • binutils Alpine 3.22 2.44-r3

alpine advisories ALPINE-CVE-2025-5244

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • binutils CBL-Mariner 2.0 2.37-15
  • binutils Azure Linux 3.0 2.41-6
  • gdb CBL-Mariner 2.0 11.2-10

azure linux advisories AZL-61982AZL-61994AZL-62047

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-5244 updated cvss 4.0

binutils: GNU Binutils ld elflink.c elf_gc_sweep memory corruption

  • Red Hat Enterprise Linux 6 binutils Red Hat Enterprise Linux 8 mingw-binutils, mingw32-binutils, mingw64-binutils, gcc-toolset-13-gdb, gcc-toolset-14-gdb, mingw-binutils-generic, +5 more Red Hat Enterprise Linux 9 mingw-binutils, mingw32-binutils, mingw64-binutils, gcc-toolset-13-gdb, mingw-binutils-generic, gcc-toolset-13-binutils, +7 more Red Hat Enterprise Linux 10 gdb, mingw-binutils, mingw32-binutils, mingw64-binutils, gcc-toolset-15-binutils Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux AppStream (v. 10) binutils-devel 2.41-58.el10, binutils-debuginfo 2.41-58.el10, binutils-debugsource 2.41-58.el10, binutils-gold-debuginfo 2.41-58.el10, binutils-gprofng-debuginfo 2.41-58.el10, cross-binutils-s390x-debuginfo 2.41-58.el10, +2 more Red Hat Enterprise Linux BaseOS (v. 10) binutils 2.41-58.el10, binutils-gold 2.41-58.el10
    fixed: vendor fix RHSA-2025:20155
  • Red Hat Enterprise Linux 7 gdb, binutils, gdb-gdbserver Red Hat Enterprise Linux 8 gdb, binutils, gdb-headless, gdb-gdbserver
    not affected: vulnerable code not present
  • Red Hat Enterprise Linux 9 gdb, binutils, gdb-minimal, gdb-headless, binutils-gold, gdb-gdbserver
    not affected: vulnerable code not in execute path

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-24-102-01 updated cvss 5.3

Siemens SIMATIC S7-1500 TM MFP

  • Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem
    affected: mitigation, no fix available

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-25-162-05 updated cvss 5.3

Siemens SIMATIC S7-1500 CPU family

  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= 3.1.5 Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= 3.1.5 Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= 3.1.5
    affected: mitigation, no fix available

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sourceware.org https://sourceware.org/bugzilla/attachment.cgi?id=16010 referenced PoC, tagged "exploit" by a source, unverified
  • sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=32858 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 5.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • GNU Binutils
  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
  • Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
  • Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem
  • Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.