ibmvnic: Use kernel helpers for hex dumps
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: 23 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: ibmvnic: Use kernel helpers for hex dumps Previously, when the driver was printing hex dumps, the buffer was cast to an 8 byte long and printed using string formatters. If the buffer size was not a multiple of 8 then a read buffer overflow was possible. Therefore, create a new ibmvnic function that loops over a buffer and calls hex_dump_to_buffer instead. This patch address KASAN reports like the one below: ibmvnic 30000003 env3: Login Buffer: ibmvnic 30000003 env3: 01000000af000000 <...> ibmvnic 30000003 env3: 2e6d62692e736261 ibmvnic 30000003 env3: 65050003006d6f63 ================================================================== BUG: KASAN: slab-out-of-bounds in ibmvnic_login+0xacc/0xffc [ibmvnic] Read of size 8 at addr c0000001331a9aa8 by task ip/17681 <...> Allocated by task 17681: <...> ibmvnic_login+0x2f0/0xffc [ibmvnic] ibmvnic_open+0x148/0x308 [ibmvnic] __dev_open+0x1ac/0x304 <...> The buggy address is located 168 bytes inside of allocated 175-byte region [c0000001331a9a00, c0000001331a9aaf) <...> ================================================================= ibmvnic 30000003 env3: 000000000033766e
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.187, 6.6.156, 6.12.108, 6.14.2, 6.15
Red Hat 7 advisories
- RHSA-2025:11810 Released 2025-07-28 · Red Hat rating Importantkernel 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-2025:11571 Released 2025-07-23 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.126.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.126.1.el9_2, kernel-64k-devel-5.14.0-284.126.1.el9_2 +10
- Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.126.1.el9_2, kernel-5.14.0-284.126.1.el9_2, kernel-64k-5.14.0-284.126.1.el9_2 +29
- RHSA-2025:11572 Released 2025-07-23 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.126.1.rt14.411.el9_2, kernel-rt-core-5.14.0-284.126.1.rt14.411.el9_2, kernel-rt-debug-5.14.0-284.126.1.rt14.411.el9_2 +9
- Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.126.1.rt14.411.el9_2, kernel-rt-core-5.14.0-284.126.1.rt14.411.el9_2, kernel-rt-debug-5.14.0-284.126.1.rt14.411.el9_2 +11
Show 4 more Red Hat advisories
- RHSA-2025:10830 Released 2025-07-14 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.138.1.el9_0, kernel-debug-devel-matched-5.14.0-70.138.1.el9_0, kernel-devel-5.14.0-70.138.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.138.1.el9_0, kernel-5.14.0-70.138.1.el9_0, kernel-abi-stablelists-5.14.0-70.138.1.el9_0 +14
- RHSA-2025:10829 Released 2025-07-14 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-core-5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-debug-5.14.0-70.138.1.rt21.210.el9_0 +9
- Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-core-5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-debug-5.14.0-70.138.1.rt21.210.el9_0 +7
- RHSA-2025:9896 Released 2025-06-30 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-55.19.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.19.1.el10_0, kernel-64k-devel-6.12.0-55.19.1.el10_0 +12
- Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-55.19.1.el10_0, kernel-64k-6.12.0-55.19.1.el10_0, kernel-64k-core-6.12.0-55.19.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-55.19.1.el10_0, libperf-6.12.0-55.19.1.el10_0
- Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-55.19.1.el10_0, kernel-rt-64k-6.12.0-55.19.1.el10_0, kernel-rt-64k-core-6.12.0-55.19.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-55.19.1.el10_0, kernel-rt-core-6.12.0-55.19.1.el10_0, kernel-rt-debug-6.12.0-55.19.1.el10_0 +11
- RHSA-2025:9302 Released 2025-06-23 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-570.23.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.23.1.el9_6, kernel-64k-devel-5.14.0-570.23.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-570.23.1.el9_6, kernel-64k-5.14.0-570.23.1.el9_6, kernel-64k-core-5.14.0-570.23.1.el9_6 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-570.23.1.el9_6, libperf-5.14.0-570.23.1.el9_6
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-570.23.1.el9_6, kernel-rt-64k-5.14.0-570.23.1.el9_6, kernel-rt-64k-core-5.14.0-570.23.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-570.23.1.el9_6, kernel-rt-core-5.14.0-570.23.1.el9_6, kernel-rt-debug-5.14.0-570.23.1.el9_6 +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2025:11810 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2025:9896 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:9302 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2025:10830 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2025:11571 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2025:11810 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2025:9896 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2025:9302 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.0) | Fixed | RHSA-2025:10830 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.2) | Fixed | RHSA-2025:11571 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2025:11810 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2025:9896 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2025:9302 |
| Red Hat Enterprise Linux NFV E4S (v.9.0) | Fixed | RHSA-2025:10829 |
| Red Hat Enterprise Linux Real Time (v. 10) | Fixed | RHSA-2025:9896 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2025:9302 |
| Red Hat Enterprise Linux Real Time E4S (v.9.0) | Fixed | RHSA-2025:10829 |
| Red Hat Enterprise Linux Real Time E4S (v.9.2) | Fixed | RHSA-2025:11572 |
| 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-2025:9896 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2025:9302 |
| Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) | Fixed | RHSA-2025:11572 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2025:11810 |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2025-22104
- 2026-10-03 Alias added: GHSA-2q7g-23rp-fjwm
References
Patch 2
More Linux Kernel vulnerabilities
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- 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
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- 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
Sources
- CVE-2025-22104 · CVE Program
- CVE-2025-22104 · NVD
- FIRST EPSS
- GHSA-2q7g-23rp-fjwm · GitHub Advisory Database · CC BY 4.0
- CVE-2025-22104 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences