Input: pegasus-notetaker - fix potential out-of-bounds access
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: Input: pegasus-notetaker - fix potential out-of-bounds access In the pegasus_notetaker driver, the pegasus_probe() function allocates the URB transfer buffer using the wMaxPacketSize value from the endpoint descriptor. An attacker can use a malicious USB descriptor to force the allocation of a very small buffer. Subsequently, if the device sends an interrupt packet with a specific pattern (e.g., where the first byte is 0x80 or 0x42), the pegasus_parse_packet() function parses the packet without checking the allocated buffer size. This leads to an out-of-bounds memory access.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.8 and later | 5.4.302, 5.10.247, 5.15.197, 6.1.159, 6.6.118, 6.12.60, 6.17.10, 6.18 | Patch available | CNA |
- Linux VendorLinux Affected 4.8 and later Fixed in 5.4.302, 5.10.247, 5.15.197, 6.1.159, 6.6.118, 6.12.60, 6.17.10, 6.18 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.302, 5.10.247, 5.15.197, 6.1.159, 6.6.118, 6.12.60, 6.17.10, 6.18
Vendor assessments
Red Hat
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-68217
- 2026-10-03 Alias added: GHSA-6r4f-cg5f-j3p5
References
Other 8
- https://git.kernel.org/stable/c/c4e746651bd74c38f581e1cf31651119a94de8cd
- https://git.kernel.org/stable/c/36bc92b838ff72f62f2c17751a9013b29ead2513
- https://git.kernel.org/stable/c/015b719962696b793997e8deefac019f816aca77
- https://git.kernel.org/stable/c/084264e10e2ae8938a54355123ad977eb9df56d6
- https://git.kernel.org/stable/c/d344ea1baf1946c90f0cd6f9daeb5f3e0a0ca479
- https://git.kernel.org/stable/c/9ab67eff6d654e34ba6da07c64761aa87c2a3c26
- https://git.kernel.org/stable/c/763c3f4d2394a697d14af1335d3bb42f05c9409f
- https://git.kernel.org/stable/c/69aeb507312306f73495598a055293fa749d454e
More Linux vulnerabilities
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- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2021-02452 Incorrect authorization in Ubuntu linux kernel 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
Sources
- CVE-2025-68217 · CVE Program
- CVE-2025-68217 · NVD
- FIRST EPSS
- GHSA-6r4f-cg5f-j3p5 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-68217 · 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