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TI-2025-25169 Aliases CVE-2025-37819GHSA-5c72-frqm-r8r4

irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()

Priority LOW 35CWE-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
Partial Red Hat: 25 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode() With ACPI in place, gicv2m_get_fwnode() is registered with the pci subsystem as pci_msi_get_fwnode_cb(), which may get invoked at runtime during a PCI host bridge probe. But, the call back is wrongly marked as __init, causing it to be freed, while being registered with the PCI subsystem and could trigger: Unable to handle kernel paging request at virtual address ffff8000816c0400 gicv2m_get_fwnode+0x0/0x58 (P) pci_set_bus_msi_domain+0x74/0x88 pci_register_host_bridge+0x194/0x548 This is easily reproducible on a Juno board with ACPI boot. Retain the function for later use.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00225 13th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.294, 5.10.238, 5.15.182 +5Red Hat: 5 advisoriesRed Hat: 25 fixed, 2 without a fix

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
LinuxLinux4.5 and later5.4.294, 5.10.238, 5.15.182, 6.1.138, 6.6.89, 6.12.26, 6.14.5, 6.15Patch availableCNA
  • Linux VendorLinux Affected 4.5 and later Fixed in 5.4.294, 5.10.238, 5.15.182, 6.1.138, 6.6.89, 6.12.26, 6.14.5, 6.15 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.5 to before 5.4.294; 5.5 to before 5.10.238; 5.11 to before 5.15.182; 5.16 to before 6.1.138; 6.2 to before 6.6.89; 6.7 to before 6.12.26; 6.13 to before 6.14.5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*6.15 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*6.15 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*6.15 rc3VulnerableLinux
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.5 to before 5.4.294; 5.5 to before 5.10.238; 5.11 to before 5.15.182; 5.16 to before 6.1.138; 6.2 to before 6.6.89; 6.7 to before 6.12.26; 6.13 to before 6.14.5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* Versions 6.15 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:* Versions 6.15 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:* Versions 6.15 rc3 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.4.294, 5.10.238, 5.15.182, 6.1.138, 6.6.89, 6.12.26, 6.14.5, 6.15

Red Hat 5 advisories

  • RHSA-2026:2212 Released 2026-02-09 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-611.30.1.el9_7, kernel-64k-debug-devel-matched-5.14.0-611.30.1.el9_7, kernel-64k-devel-5.14.0-611.30.1.el9_7 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-611.30.1.el9_7, kernel-64k-5.14.0-611.30.1.el9_7, kernel-64k-core-5.14.0-611.30.1.el9_7 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-611.30.1.el9_7, libperf-5.14.0-611.30.1.el9_7
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-611.30.1.el9_7, kernel-rt-64k-5.14.0-611.30.1.el9_7, kernel-rt-64k-core-5.14.0-611.30.1.el9_7 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-611.30.1.el9_7, kernel-rt-core-5.14.0-611.30.1.el9_7, kernel-rt-debug-5.14.0-611.30.1.el9_7 +9
  • RHSA-2026:1690 Released 2026-02-02 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-124.31.1.el10_1, kernel-64k-debug-devel-matched-6.12.0-124.31.1.el10_1, kernel-64k-devel-6.12.0-124.31.1.el10_1 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-124.31.1.el10_1, kernel-64k-6.12.0-124.31.1.el10_1, kernel-64k-core-6.12.0-124.31.1.el10_1 +29
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-124.31.1.el10_1, libperf-6.12.0-124.31.1.el10_1
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-124.31.1.el10_1, kernel-rt-64k-6.12.0-124.31.1.el10_1, kernel-rt-64k-core-6.12.0-124.31.1.el10_1 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-124.31.1.el10_1, kernel-rt-core-6.12.0-124.31.1.el10_1, kernel-rt-debug-6.12.0-124.31.1.el10_1 +9
  • RHSA-2026:1444 Released 2026-01-28 · Red Hat rating Moderate
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.108.1.el9_4, libperf-5.14.0-427.108.1.el9_4
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.108.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.108.1.el9_4, kernel-64k-devel-5.14.0-427.108.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.108.1.el9_4, kernel-5.14.0-427.108.1.el9_4, kernel-64k-5.14.0-427.108.1.el9_4 +29
    • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.108.1.el9_4, kernel-rt-core-5.14.0-427.108.1.el9_4, kernel-rt-debug-5.14.0-427.108.1.el9_4 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.108.1.el9_4, kernel-rt-core-5.14.0-427.108.1.el9_4, kernel-rt-debug-5.14.0-427.108.1.el9_4 +11
Show 2 more Red Hat advisories
  • RHSA-2026:1236 Released 2026-01-26 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.55.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.55.1.el10_0, kernel-64k-devel-6.12.0-55.55.1.el10_0 +12
    • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.55.1.el10_0, kernel-64k-6.12.0-55.55.1.el10_0, kernel-64k-core-6.12.0-55.55.1.el10_0 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.55.1.el10_0, libperf-6.12.0-55.55.1.el10_0
    • Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.55.1.el10_0, kernel-rt-64k-6.12.0-55.55.1.el10_0, kernel-rt-64k-core-6.12.0-55.55.1.el10_0 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.55.1.el10_0, kernel-rt-core-6.12.0-55.55.1.el10_0, kernel-rt-debug-6.12.0-55.55.1.el10_0 +11
  • RHSA-2026:1194 Released 2026-01-26 · Red Hat rating Moderate
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.81.1.el9_6, libperf-5.14.0-570.81.1.el9_6
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.81.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.81.1.el9_6, kernel-64k-devel-5.14.0-570.81.1.el9_6 +12
    • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.81.1.el9_6, kernel-64k-5.14.0-570.81.1.el9_6, kernel-64k-core-5.14.0-570.81.1.el9_6 +28
    • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.81.1.el9_6, kernel-rt-64k-5.14.0-570.81.1.el9_6, kernel-rt-64k-core-5.14.0-570.81.1.el9_6 +21
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.81.1.el9_6, kernel-rt-core-5.14.0-570.81.1.el9_6, kernel-rt-debug-5.14.0-570.81.1.el9_6 +11

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 8AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 9AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder EUS (v.9.4)Fixed RHSA-2026:1444
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:1194
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:2212
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:1236
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2026:1444
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:1194
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:2212
Red Hat Enterprise Linux BaseOS EUS (v. 10.0)Fixed RHSA-2026:1236
Red Hat Enterprise Linux BaseOS EUS (v.9.4)Fixed RHSA-2026:1444
Red Hat Enterprise Linux BaseOS EUS (v.9.6)Fixed RHSA-2026:1194
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:2212
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:1236
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2026:2212
Red Hat Enterprise Linux Real Time EUS (v. 10.0)Fixed RHSA-2026:1236
Red Hat Enterprise Linux Real Time EUS (v.9.4)Fixed RHSA-2026:1444
Red Hat Enterprise Linux Real Time EUS (v.9.6)Fixed RHSA-2026:1194
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2026:1690
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2026:2212
Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)Fixed RHSA-2026:1236
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)Fixed RHSA-2026:1444
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)Fixed RHSA-2026:1194
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-37819
  2. 2026-10-03 Alias added: GHSA-5c72-frqm-r8r4

References

  • 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