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TI-2025-15855 Aliases CVE-2025-21905GHSA-7fc4-8q5h-8mjj

wifi: iwlwifi: limit printed string from FW file

Priority LOW 31CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Partial Red Hat: 35 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: limit printed string from FW file There's no guarantee here that the file is always with a NUL-termination, so reading the string may read beyond the end of the TLV. If that's the last TLV in the file, it can perhaps even read beyond the end of the file buffer. Fix that by limiting the print format to the size of the buffer we have.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0024 15th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.291, 5.10.235, 5.15.179 +5Red Hat: 13 advisoriesRed Hat: 35 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux5.2 and later5.4.291, 5.10.235, 5.15.179, 6.1.131, 6.6.83, 6.12.19, 6.13.7, 6.14Patch availableCNA
  • Linux VendorLinux Affected 5.2 and later Fixed in 5.4.291, 5.10.235, 5.15.179, 6.1.131, 6.6.83, 6.12.19, 6.13.7, 6.14 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*5.2 to before 5.4.291; 5.5 to before 5.10.235; 5.11 to before 5.15.179; 5.16 to before 6.1.131; 6.2 to before 6.6.83; 6.7 to before 6.12.19; 6.13 to before 6.13.7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*6.14 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*6.14 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*6.14 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*6.14 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*6.14 rc5VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.2 to before 5.4.291; 5.5 to before 5.10.235; 5.11 to before 5.15.179; 5.16 to before 6.1.131; 6.2 to before 6.6.83; 6.7 to before 6.12.19; 6.13 to before 6.13.7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:* Versions 6.14 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:* Versions 6.14 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:* Versions 6.14 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:* Versions 6.14 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:* Versions 6.14 rc5 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.4.291, 5.10.235, 5.15.179, 6.1.131, 6.6.83, 6.12.19, 6.13.7, 6.14

Red Hat 13 advisories

  • RHSA-2025:13099 Released 2025-08-06 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.155.1.el8_6, kernel-4.18.0-372.155.1.el8_6, kernel-abi-stablelists-4.18.0-372.155.1.el8_6 +14
    • Red Hat Enterprise Linux BaseOS E4S (v.8.6) bpftool-4.18.0-372.155.1.el8_6, kernel-4.18.0-372.155.1.el8_6, kernel-abi-stablelists-4.18.0-372.155.1.el8_6 +19
    • Red Hat Enterprise Linux BaseOS TUS (v.8.6) bpftool-4.18.0-372.155.1.el8_6, kernel-4.18.0-372.155.1.el8_6, kernel-abi-stablelists-4.18.0-372.155.1.el8_6 +14
  • RHSA-2025:13061 Released 2025-08-05 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.104.1.el8_8, kernel-4.18.0-477.104.1.el8_8, kernel-abi-stablelists-4.18.0-477.104.1.el8_8 +14
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.104.1.el8_8, kernel-4.18.0-477.104.1.el8_8, kernel-abi-stablelists-4.18.0-477.104.1.el8_8 +14
  • RHSA-2025:12525 Released 2025-08-04 · Red Hat rating Moderate
    kernel-rt security update
    • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.140.1.rt21.212.el9_0, kernel-rt-core-5.14.0-70.140.1.rt21.212.el9_0, kernel-rt-debug-5.14.0-70.140.1.rt21.212.el9_0 +9
    • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.140.1.rt21.212.el9_0, kernel-rt-core-5.14.0-70.140.1.rt21.212.el9_0, kernel-rt-debug-5.14.0-70.140.1.rt21.212.el9_0 +7
Show 10 more Red Hat advisories
  • RHSA-2025:12526 Released 2025-08-04 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.140.1.el9_0, kernel-debug-devel-matched-5.14.0-70.140.1.el9_0, kernel-devel-5.14.0-70.140.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.140.1.el9_0, kernel-5.14.0-70.140.1.el9_0, kernel-abi-stablelists-5.14.0-70.140.1.el9_0 +14
  • RHSA-2025:12623 Released 2025-08-04 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.162.1.el8_2, kernel-4.18.0-193.162.1.el8_2, kernel-abi-whitelists-4.18.0-193.162.1.el8_2 +14
  • RHSA-2025:12311 Released 2025-07-30 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.128.1.rt14.413.el9_2, kernel-rt-core-5.14.0-284.128.1.rt14.413.el9_2, kernel-rt-debug-5.14.0-284.128.1.rt14.413.el9_2 +9
    • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.128.1.rt14.413.el9_2, kernel-rt-core-5.14.0-284.128.1.rt14.413.el9_2, kernel-rt-debug-5.14.0-284.128.1.rt14.413.el9_2 +11
  • RHSA-2025:12238 Released 2025-07-30 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.165.1.el8_4, kernel-4.18.0-305.165.1.el8_4, kernel-abi-stablelists-4.18.0-305.165.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.165.1.el8_4, kernel-4.18.0-305.165.1.el8_4, kernel-abi-stablelists-4.18.0-305.165.1.el8_4 +14
  • RHSA-2025:12209 Released 2025-07-29 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.128.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.128.1.el9_2, kernel-64k-devel-5.14.0-284.128.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.128.1.el9_2, kernel-5.14.0-284.128.1.el9_2, kernel-64k-5.14.0-284.128.1.el9_2 +29
  • RHSA-2025:11861 Released 2025-07-28 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-570.30.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.30.1.el9_6, kernel-64k-devel-5.14.0-570.30.1.el9_6 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-570.30.1.el9_6, kernel-64k-5.14.0-570.30.1.el9_6, kernel-64k-core-5.14.0-570.30.1.el9_6 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-570.30.1.el9_6, libperf-5.14.0-570.30.1.el9_6
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-570.30.1.el9_6, kernel-rt-64k-5.14.0-570.30.1.el9_6, kernel-rt-64k-core-5.14.0-570.30.1.el9_6 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-570.30.1.el9_6, kernel-rt-core-5.14.0-570.30.1.el9_6, kernel-rt-debug-5.14.0-570.30.1.el9_6 +11
  • RHSA-2025:11850 Released 2025-07-28 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.64.1.el8_10, kernel-4.18.0-553.64.1.el8_10, kernel-abi-stablelists-4.18.0-553.64.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.64.1.el8_10
  • RHSA-2025:11851 Released 2025-07-28 · Red Hat rating Moderate
    kernel-rt security update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.64.1.rt7.405.el8_10, kernel-rt-core-4.18.0-553.64.1.rt7.405.el8_10, kernel-rt-debug-4.18.0-553.64.1.rt7.405.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.64.1.rt7.405.el8_10, kernel-rt-core-4.18.0-553.64.1.rt7.405.el8_10, kernel-rt-debug-4.18.0-553.64.1.rt7.405.el8_10 +7
  • RHSA-2025:11810 Released 2025-07-28 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.79.1.el9_4, libperf-5.14.0-427.79.1.el9_4
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.79.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.79.1.el9_4, kernel-64k-devel-5.14.0-427.79.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.79.1.el9_4, kernel-5.14.0-427.79.1.el9_4, kernel-64k-5.14.0-427.79.1.el9_4 +29
    • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.79.1.el9_4, kernel-rt-core-5.14.0-427.79.1.el9_4, kernel-rt-debug-5.14.0-427.79.1.el9_4 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.79.1.el9_4, kernel-rt-core-5.14.0-427.79.1.el9_4, kernel-rt-debug-5.14.0-427.79.1.el9_4 +11
  • RHSA-2025:11428 Released 2025-07-21 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-55.22.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.22.1.el10_0, kernel-64k-devel-6.12.0-55.22.1.el10_0 +12
    • Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-55.22.1.el10_0, kernel-64k-6.12.0-55.22.1.el10_0, kernel-64k-core-6.12.0-55.22.1.el10_0 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-55.22.1.el10_0, libperf-6.12.0-55.22.1.el10_0
    • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-55.22.1.el10_0, kernel-rt-64k-6.12.0-55.22.1.el10_0, kernel-rt-64k-core-6.12.0-55.22.1.el10_0 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-55.22.1.el10_0, kernel-rt-core-6.12.0-55.22.1.el10_0, kernel-rt-debug-6.12.0-55.22.1.el10_0 +11

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat CodeReady Linux Builder EUS (v.9.4)Fixed RHSA-2025:11810
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2025:11428
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:11861
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2025:12526
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2025:12209
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:11810
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2025:11428
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2025:11850
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2025:11861
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)Fixed RHSA-2025:12623
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2025:12238
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2025:13099
Red Hat Enterprise Linux BaseOS E4S (v.8.6)Fixed RHSA-2025:13099
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2025:13061
Red Hat Enterprise Linux BaseOS E4S (v.9.0)Fixed RHSA-2025:12526
Red Hat Enterprise Linux BaseOS E4S (v.9.2)Fixed RHSA-2025:12209
Red Hat Enterprise Linux BaseOS EUS (v.9.4)Fixed RHSA-2025:11810
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2025:12238
Red Hat Enterprise Linux BaseOS TUS (v.8.6)Fixed RHSA-2025:13099
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2025:13061
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2025:11850
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2025:11428
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2025:11861
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2025:11851
Red Hat Enterprise Linux NFV E4S (v.9.0)Fixed RHSA-2025:12525
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2025:11851
Red Hat Enterprise Linux Real Time (v. 10)Fixed RHSA-2025:11428
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2025:11861
Red Hat Enterprise Linux Real Time E4S (v.9.0)Fixed RHSA-2025:12525
Red Hat Enterprise Linux Real Time E4S (v.9.2)Fixed RHSA-2025:12311
Red Hat Enterprise Linux Real Time EUS (v.9.4)Fixed RHSA-2025:11810
Red Hat Enterprise Linux Real Time for NFV (v. 10)Fixed RHSA-2025:11428
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2025:11861
Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)Fixed RHSA-2025:12311
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)Fixed RHSA-2025:11810
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-21905
  2. 2026-10-03 Alias added: GHSA-7fc4-8q5h-8mjj

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