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CVE-2026-72077— Input: ims-pcu - fix firmware leak in async update

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel存在安全漏洞，该漏洞源于异步更新过程中验证失败时未释放固件对象，可能导致固件泄漏。

AI Predicted 5.3 Difficulty: Theoretical EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 628329d52474323938a03826941e166bc7c8eff4< f4b8cd2a96b47473e912e8a134f3c59efb81f10f affected
628329d52474323938a03826941e166bc7c8eff4< 9efba5177a51ed996b0bdc03aa677c08247d5b91 affected
628329d52474323938a03826941e166bc7c8eff4< af0641337f6584ccbc7a42ce3f4803d8ff9c5a4a affected
628329d52474323938a03826941e166bc7c8eff4< a5dd47ea3904dedb1ae7a5fe0e6b44a458f0c5ec affected
628329d52474323938a03826941e166bc7c8eff4< 1f7bdfbe791aacad77db87f044e78ef60a93ae0d affected
628329d52474323938a03826941e166bc7c8eff4< 99c428d7ef644d3e394f3072f905040c16dab18d affected
628329d52474323938a03826941e166bc7c8eff4< 47a9889a9325b87698b6d6eaf3187a9af6e4773d affected
628329d52474323938a03826941e166bc7c8eff4< d48795b5cd6828d36b707e8d62fc9e5c90e004ab affected
… +10 more rows
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I. Basic Information for CVE-2026-72077

Vulnerability Information
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Vulnerability Title
Input: ims-pcu - fix firmware leak in async update
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - fix firmware leak in async update The firmware object was not being released if validation failed. Use __free(firmware) to ensure the firmware is always released.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel存在安全漏洞，该漏洞源于异步更新过程中验证失败时未释放固件对象，可能导致固件泄漏。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 628329d52474323938a03826941e166bc7c8eff4 ~ f4b8cd2a96b47473e912e8a134f3c59efb81f10f -
Linux Linux 3.10 -

II. Public POCs for CVE-2026-72077

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III. Intelligence Information for CVE-2026-72077

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Patches & Fixes for CVE-2026-72077 (8)

Same Patch Batch · Linux · 2026-08-15 · 845 CVEs total

CVE-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-72408 10.0 CRITICAL geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-74280 10.0 CRITICAL crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-74279 10.0 CRITICAL crypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-72421 10.0 CRITICAL ipv4: fib: Don't ignore error route in local/main tables.
CVE-2026-72493 9.9 CRITICAL net: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-72217 9.8 CRITICAL SUNRPC: Bound-check xdr_buf_to_bvec() stores before writing
CVE-2026-72491 9.8 CRITICAL net/9p: fix race condition on rdma->state in trans_rdma.c
CVE-2026-72221 9.8 CRITICAL sunrpc: wait for in-flight TLS handshake callback when cancel loses race
CVE-2026-72222 9.8 CRITICAL sunrpc: pin svc_xprt across the asynchronous TLS handshake callback
CVE-2026-72220 9.8 CRITICAL sunrpc: harden rq_procinfo lifecycle to prevent double-free
CVE-2026-72398 9.8 CRITICAL sctp: add INIT verification after cookie unpacking
CVE-2026-72477 9.8 CRITICAL fs/ntfs3: call _ntfs_bad_inode() when failing to rename
CVE-2026-72466 9.8 CRITICAL xprtrdma: Fix bcall rep leak and unbounded peek
CVE-2026-72472 9.8 CRITICAL nfs: use nfsi->rwsem to protect traversal of the file lock list
CVE-2026-72473 9.8 CRITICAL xprtrdma: Decouple req recycling from RPC completion
CVE-2026-72399 9.8 CRITICAL net: enetc: check the number of BDs needed for xdp_frame
CVE-2026-74398 9.8 CRITICAL ipv6: addrconf: bail out of dad_failure when state is no longer POSTDAD

Showing top 20 of 845 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-72077

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