cifs: Fix xid leak in cifs_copy_file_range()
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_copy_file_range() If the file is used by swap, before return -EOPNOTSUPP, should free the xid, otherwise, the xid will be leaked.
Noroxi analysis
No Noroxi analysis for this record yet
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We use this product, ask for help- Published
- Dec 8, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 9th percentile
- CWE
- —
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Report tools
Action score
0
Monitor
Low priority for now.
- CVSS
- 0 / 40 · —
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
Affected systems
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.
Linux Linux
- 5.7affected
- 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 and later · before bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2affected · git
- 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 and later · before 27cfd3afaab000a455194338db3b7f2031fde9d0affected · git
- 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 and later · before dc283313d1ca378d787cb55c1e580dc3de852680affected · git
- 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3 and later · before 9a97df404a402fe1174d2d1119f87ff2a0ca2fe9affected · git
- before 5.7not affected · semver
- 5.10.152 and later · up to and including 5.10.*not affected · semver
- 5.15.76 and later · up to and including 5.15.*not affected · semver
- 6.0.6 and later · up to and including 6.0.*not affected · semver
- 6.1 and laternot affected · original_commit_for_fix
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | linux | before 6.0.6-1 | 6.0.6-1 |
| SUSE:Linux Enterprise Live Patching 12 SP5 | kernel-default | before 4.12.14-122.290.1 | 4.12.14-122.290.1 |
| SUSE:Linux Enterprise Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_76 | before 1-8.7.1 | 1-8.7.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-rt | before 5.14.21-150400.15.142.1 | 5.14.21-150400.15.142.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-source-rt | before 5.14.21-150400.15.142.1 | 5.14.21-150400.15.142.1 |
| SUSE:Linux Enterprise Server 12 SP5-LTSS | kernel-source | before 4.12.14-122.290.1 | 4.12.14-122.290.1 |
| SUSE:Linux Enterprise Server 12 SP5-LTSS | kernel-syms | before 4.12.14-122.290.1 | 4.12.14-122.290.1 |
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation40Plan
- CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment40Plan
- CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()40Plan
- CVE-2026-74309vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler40Plan
- CVE-2026-74280crypto: marvell/octeontx - fix DMA cleanup using wrong loop index40Plan
- CVE-2026-74279crypto: cavium/cpt - fix DMA cleanup using wrong loop index40Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Linux Linux | 27cfd3afaab000a455194338db3b7f2031fde9d0 | Vendor (CNA) |
| Linux Linux | 9a97df404a402fe1174d2d1119f87ff2a0ca2fe9 | Vendor (CNA) |
| Linux Linux | bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2 | Vendor (CNA) |
| Linux Linux | dc283313d1ca378d787cb55c1e580dc3de852680 | Vendor (CNA) |
| debian:linux | 6.0.6-1 · Debian:12 | Package registry (OSV) |
| suse:kernel-default | 4.12.14-122.290.1 · SUSE:Linux Enterprise Live Patching 12 SP5 | Package registry (OSV) |
| suse:kernel-rt | 5.14.21-150400.15.142.1 · SUSE:Linux Enterprise Micro 5.3 | Package registry (OSV) |
| suse:kernel-source | 4.12.14-122.290.1 · SUSE:Linux Enterprise Server 12 SP5-LTSS | Package registry (OSV) |
| suse:kernel-source-rt | 5.14.21-150400.15.142.1 · SUSE:Linux Enterprise Micro 5.3 | Package registry (OSV) |
| suse:kernel-syms | 4.12.14-122.290.1 · SUSE:Linux Enterprise Server 12 SP5-LTSS | Package registry (OSV) |
| suse:kgraft-patch-SLE12-SP5_Update_76 | 1-8.7.1 · SUSE:Linux Enterprise Live Patching 12 SP5 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
No CVSS vector for this record, so attack conditions can't be derived.
Weakness class (CWE)
—
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- git.kernel.org/stable/c/27cfd3afaab000a455194338db3b7f2031fde9d0
- git.kernel.org/stable/c/9a97df404a402fe1174d2d1119f87ff2a0ca2fe9
- git.kernel.org/stable/c/bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2
- git.kernel.org/stable/c/dc283313d1ca378d787cb55c1e580dc3de852680
Vendor advisories and official records. Exploit/PoC links are deliberately left out.