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CVE-2026-72275— fbdev: broadsheetfb: fix potential memory leak in broadsheetfb_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 5.19版本存在安全漏洞，该漏洞源于fbdev broadsheetfb_probe中fb_deferred_io_init分配的内存在错误路径未释放，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 17

VendorProduct Version RangeStatus
Linux Linux 186b89659c4c67cccead52961eab0ca3b23951dc< edc5a845108337d0c167ab850fe9adfaea442975 affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< 54a4cd11702d5e8bcefc3b514e338955813993a1 affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< 4ce94f9e3bfb37866638e4b81e2c3d8f7470a12c affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< 07d2f9cb667c2f6331a483227c62d0a4a91ef42f affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< e8c9aae8c950869f65af8b9dd2f71f861ea6e433 affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< e818c397548cde68d64c6abf8be0a5f3e3eef7d1 affected
56c134f7f1b58be08bdb0ca8372474a4a5165f31< 9d18a4e4234fd3ee0d0eed8ccbbb50cb76b2232c affected
5.15.149< 5.15.212 affected
… +9 more rows
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I. Basic Information for CVE-2026-72275

Vulnerability Information
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Vulnerability Title
fbdev: broadsheetfb: fix potential memory leak in broadsheetfb_probe()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: broadsheetfb: fix potential memory leak in broadsheetfb_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 5.19版本存在安全漏洞，该漏洞源于fbdev broadsheetfb_probe中fb_deferred_io_init分配的内存在错误路径未释放，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 ~ edc5a845108337d0c167ab850fe9adfaea442975 -
Linux Linux 5.19 -

II. Public POCs for CVE-2026-72275

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III. Intelligence Information for CVE-2026-72275

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Patches & Fixes for CVE-2026-72275 (7)

Same Patch Batch · Linux · 2026-08-15 · 844 CVEs total

CVE-2026-74279 10.0 CRITICAL crypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-74280 10.0 CRITICAL crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-72421 10.0 CRITICAL ipv4: fib: Don't ignore error route in local/main tables.
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-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-72493 9.9 CRITICAL net: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-72185 9.8 CRITICAL ntfs: fix WARN_ON for resident attribute in ntfs_map_runlist_nolock()
CVE-2026-72417 9.8 CRITICAL netfilter: flowtable: Validate iph->ihl in nf_flow_ip4_tunnel_proto()
CVE-2026-74480 9.8 CRITICAL net: bridge: stop fast-leave after deleting a port group
CVE-2026-72069 9.8 CRITICAL locking/rt: Fix the incorrect RCU protection in rt_spin_unlock()
CVE-2026-74267 9.8 CRITICAL net/sched: sch_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring q
CVE-2026-74361 9.8 CRITICAL nvme: fix FDP fdpcidx bounds check
CVE-2026-74268 9.8 CRITICAL tcp: clear sock_ops cb flags before force-closing a child socket
CVE-2026-72065 9.8 CRITICAL net: mana: Validate the packet length reported by the NIC
CVE-2026-72064 9.8 CRITICAL net: mana: Sync page pool RX frags for CPU
CVE-2026-74478 9.8 CRITICAL um: vector: fix use-after-free in vector_mmsg_rx()
CVE-2026-72046 9.8 CRITICAL gve: fix header buffer corruption with header-split and HW-GRO
CVE-2026-72207 9.8 CRITICAL ntfs: not change 0-byte $DATA attribute to non-resident

Showing top 20 of 844 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-72275

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