CVE-2026-23021— net: usb: pegasus: fix memory leak in update_eth_regs_async()
Possible ATT&CK Techniques 1AI
T1496 · Resource HijackingAffected Version Matrix 16
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 323b34963d113efb566635f43858f40cce01d5f9< 5397ea6d21c35a17707e201a60761bdee00bcc4e | affected |
323b34963d113efb566635f43858f40cce01d5f9< a40af9a2904a1ab8ce61866ebe2a894ef30754ba | affected | ||
323b34963d113efb566635f43858f40cce01d5f9< ac5d92d2826dec51e5d4c6854865bc5817277452 | affected | ||
323b34963d113efb566635f43858f40cce01d5f9< 93f18eaa190374e0f2d253e3b1a65cee19a7abe6 | affected | ||
323b34963d113efb566635f43858f40cce01d5f9< 471dfb97599eec74e0476046b3ef8e7037f27b34 | affected | ||
323b34963d113efb566635f43858f40cce01d5f9< ce6eef731aba23a988decea1df3b08cf978f7b01 | affected | ||
323b34963d113efb566635f43858f40cce01d5f9< afa27621a28af317523e0836dad430bec551eb54 | affected | ||
3.10 | affected | ||
| … +8 more rows | |||
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I. Basic Information for CVE-2026-23021
Vulnerability Information
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Vulnerability Title
net: usb: pegasus: fix memory leak in update_eth_regs_async()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: fix memory leak in update_eth_regs_async() When asynchronously writing to the device registers and if usb_submit_urb() fail, the code fail to release allocated to this point resources.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于usb_submit_urb失败时未释放资源，可能导致内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-23021
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2026-01-31 · 37 CVEs total
| CVE-2026-23018 | btrfs: release path before initializing extent tree in btrfs_read_locked_inode() | |
| CVE-2025-71187 | dmaengine: sh: rz-dmac: fix device leak on probe failure | |
| CVE-2025-71186 | dmaengine: stm32: dmamux: fix device leak on route allocation | |
| CVE-2025-71185 | dmaengine: ti: dma-crossbar: fix device leak on am335x route allocation | |
| CVE-2026-23024 | idpf: fix memory leak of flow steer list on rmmod | |
| CVE-2026-23023 | idpf: fix memory leak in idpf_vport_rel() | |
| CVE-2026-23022 | idpf: fix memory leak in idpf_vc_core_deinit() | |
| CVE-2026-23020 | net: 3com: 3c59x: fix possible null dereference in vortex_probe1() | |
| CVE-2026-23019 | net: marvell: prestera: fix NULL dereference on devlink_alloc() failure | |
| CVE-2025-71189 | dmaengine: dw: dmamux: fix OF node leak on route allocation failure | |
| CVE-2026-23017 | idpf: fix error handling in the init_task on load | |
| CVE-2026-23016 | inet: frags: drop fraglist conntrack references | |
| CVE-2026-23015 | gpio: mpsse: fix reference leak in gpio_mpsse_probe() error paths | |
| CVE-2025-71184 | btrfs: fix NULL dereference on root when tracing inode eviction | |
| CVE-2025-71183 | btrfs: always detect conflicting inodes when logging inode refs | |
| CVE-2025-71182 | can: j1939: make j1939_session_activate() fail if device is no longer registered | |
| CVE-2025-71181 | rust_binder: remove spin_lock() in rust_shrink_free_page() | |
| CVE-2025-71180 | counter: interrupt-cnt: Drop IRQF_NO_THREAD flag | |
| CVE-2026-23031 | can: gs_usb: gs_usb_receive_bulk_callback(): fix URB memory leak | |
| CVE-2026-23039 | drm/gud: fix NULL fb and crtc dereferences on USB disconnect |
Showing top 20 of 37 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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