NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 48 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid Fixes a crash when layout is null during this call stack: write_inode -> nfs4_write_inode -> pnfs_layoutcommit_inode pnfs_set_layoutcommit relies on the lseg refcount to keep the layout around. Need to clear NFS_INO_LAYOUTCOMMIT otherwise we might attempt to reference a null layout.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.10 and later | 5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.63, 6.17.13, 6.18.2, 6.19 | Patch available | CNA |
- Linux VendorLinux Affected 4.10 and later Fixed in 5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.63, 6.17.13, 6.18.2, 6.19 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.63, 6.17.13, 6.18.2, 6.19
Red Hat 17 advisories
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- Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.65.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.65.1.el10_0, kernel-64k-devel-6.12.0-55.65.1.el10_0 +12
- Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.65.1.el10_0, kernel-64k-6.12.0-55.65.1.el10_0, kernel-64k-core-6.12.0-55.65.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.65.1.el10_0, libperf-6.12.0-55.65.1.el10_0
- Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.65.1.el10_0, kernel-rt-64k-6.12.0-55.65.1.el10_0, kernel-rt-64k-core-6.12.0-55.65.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.65.1.el10_0, kernel-rt-core-6.12.0-55.65.1.el10_0, kernel-rt-debug-6.12.0-55.65.1.el10_0 +11
- RHSA-2026:3685 Released 2026-03-03 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux Server (v. 7 ELS) bpftool-3.10.0-1160.147.1.el7, kernel-3.10.0-1160.147.1.el7, kernel-abi-whitelists-3.10.0-1160.147.1.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) kernel-debug-devel-3.10.0-1160.147.1.el7, kernel-tools-libs-devel-3.10.0-1160.147.1.el7
- RHSA-2026:3634 Released 2026-03-03 · Red Hat rating Importantkernel-rt security update
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- Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.167.1.rt21.239.el9_0, kernel-rt-core-5.14.0-70.167.1.rt21.239.el9_0, kernel-rt-debug-5.14.0-70.167.1.rt21.239.el9_0 +7
- RHSA-2026:3360 Released 2026-02-25 · Red Hat rating Importantkernel security update
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- RHSA-2026:3358 Released 2026-02-25 · Red Hat rating Moderatekernel-rt security update
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Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | 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-2026:2766 |
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2026:2352 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2026:2721 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2026:3293 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2026:3267 |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Fixed | RHSA-2026:6193 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2026:2766 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:2352 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2026:2721 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2026:2264 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2026:2664 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2026:3360 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.6) | Fixed | RHSA-2026:2490 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.6) | Fixed | RHSA-2026:2490 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.8) | Fixed | RHSA-2026:3277 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.0) | Fixed | RHSA-2026:3293 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.2) | Fixed | RHSA-2026:3267 |
| Red Hat Enterprise Linux BaseOS EUS (v. 10.0) | Fixed | RHSA-2026:6193 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2026:2766 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.6) | Fixed | RHSA-2026:2352 |
| Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) | Fixed | RHSA-2026:3360 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.6) | Fixed | RHSA-2026:2490 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.8) | Fixed | RHSA-2026:3277 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2026:2264 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2026:2721 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) | Fixed | RHSA-2026:6193 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2026:2378 |
| Red Hat Enterprise Linux NFV E4S (v.9.0) | Fixed | RHSA-2026:3375 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2026:2378 |
| Red Hat Enterprise Linux Real Time (v. 10) | Fixed | RHSA-2026:2721 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux Real Time E4S (v.9.0) | Fixed | RHSA-2026:3375 |
| Red Hat Enterprise Linux Real Time E4S (v.9.2) | Fixed | RHSA-2026:3358 |
| Red Hat Enterprise Linux Real Time EUS (v. 10.0) | Fixed | RHSA-2026:6193 |
| Red Hat Enterprise Linux Real Time EUS (v.9.4) | Fixed | RHSA-2026:2766 |
| Red Hat Enterprise Linux Real Time EUS (v.9.6) | Fixed | RHSA-2026:2352 |
| Red Hat Enterprise Linux Real Time for NFV (v. 10) | Fixed | RHSA-2026:2721 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) | Fixed | RHSA-2026:3358 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) | Fixed | RHSA-2026:6193 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2026:2766 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) | Fixed | RHSA-2026:2352 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2026:3685 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2026:3685 |
| Red Hat Enterprise Linux for Real Time (v. 7 ELS) | Fixed | RHSA-2026:3634 |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-68349
- 2026-10-03 Alias added: GHSA-pchw-pcf7-8p47
References
Other 8
- https://git.kernel.org/stable/c/084bebe82ad86f718a3af84f34761863e63164ed
- https://git.kernel.org/stable/c/b6e4e3a08c03200cc4b8067ec8ab3172a989d6fc
- https://git.kernel.org/stable/c/104080582ae0aa6dce6c6d75ff89062efe84673b
- https://git.kernel.org/stable/c/f718f9ea6094843b8c059b073af49ad61e9f49bb
- https://git.kernel.org/stable/c/59947dff0fb7c19c09ce6dccbcd253fd542b6c25
- https://git.kernel.org/stable/c/ca2e7fdad7c683b64821c94a58b9b68733214dad
- https://git.kernel.org/stable/c/38694f9aae00459ab443a7dc8b3949a6b33b560a
- https://git.kernel.org/stable/c/e0f8058f2cb56de0b7572f51cd563ca5debce746
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Sources
- CVE-2025-68349 · CVE Program
- CVE-2025-68349 · NVD
- FIRST EPSS
- GHSA-pchw-pcf7-8p47 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-68349 · Red Hat security data · CC BY 4.0
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