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CVE-2026-72274— fbdev: hecubafb: fix potential memory leak in hecubafb_probe()

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hecubafb_probe()中fb_deferred_io_init()分配的内存未在错误路径上释放，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 17

VendorProduct Version RangeStatus
Linux Linux 186b89659c4c67cccead52961eab0ca3b23951dc< 3eb2bc1009c2476426ffbaf642d7ac82f4685b4d affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< 7de72f7534d961b117e0b051fa8798975036f5f3 affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< 2952767e399e2796d45644ea50f442988d2bb02d affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< 612ea3a8e525580aa82f26ab873e285f5caf9d99 affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< d684ce2db92b1093bcca2b42e5160a5fe23eb496 affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< 9a94b85531852eb86283eca36ab041782c6b3518 affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< cbef2a305a8a72969b86f96b7c07b86edde61aff affected
5.15.149< 5.15.212 affected
… +9 more rows
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I. Basic Information for CVE-2026-72274

Vulnerability Information
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Vulnerability Title
fbdev: hecubafb: fix potential memory leak in hecubafb_probe()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: hecubafb: fix potential memory leak in hecubafb_probe() The memory allocated for pagerefs in fb_deferred_io_init() is not freed on the error path. Fix it by calling fb_deferred_io_cleanup().
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hecubafb_probe()中fb_deferred_io_init()分配的内存未在错误路径上释放，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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 186b89659c4c67cccead52961eab0ca3b23951dc ~ 3eb2bc1009c2476426ffbaf642d7ac82f4685b4d -
Linux Linux 5.19 -

II. Public POCs for CVE-2026-72274

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III. Intelligence Information for CVE-2026-72274

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Patches & Fixes for CVE-2026-72274 (7)

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

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-2026-74280 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-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
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-2026-72477 9.8 CRITICAL fs/ntfs3: call _ntfs_bad_inode() when failing to rename
CVE-2026-74474 9.8 CRITICAL vxlan: use pskb_network_may_pull() for transmit path header pulls
CVE-2026-74401 9.8 CRITICAL dlm: fix add msg handle in send_queue ordered
CVE-2026-74269 9.8 CRITICAL bnxt: fix head underflow on XDP head-grow
CVE-2026-72473 9.8 CRITICAL xprtrdma: Decouple req recycling from RPC completion
CVE-2026-72472 9.8 CRITICAL nfs: use nfsi->rwsem to protect traversal of the file lock list
CVE-2026-72466 9.8 CRITICAL xprtrdma: Fix bcall rep leak and unbounded peek
CVE-2026-72463 9.8 CRITICAL xfrm: Fix dev use-after-free in xfrm async resumption
CVE-2026-72129 9.8 CRITICAL nvmet-rdma: handle inline data with a nonzero offset
CVE-2026-72130 9.8 CRITICAL nvmet-auth: reject short AUTH_RECEIVE buffers
CVE-2026-74406 9.8 CRITICAL vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive().
CVE-2026-72209 9.8 CRITICAL ntfs: validate attribute values on lookup

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-2026-72274

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