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CVE-2026-72270— fbdev: s3fb: fix potential memory leak in s3_pci_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s3_pci_probe()函数中，使用fb_videomode_to_modelist()分配的内存未在后续错误路径中释放，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 86c0f043a737dadf034a4e6f29aefb074f4a1146< 37f4b8bd9e3835a7d4da26baf80b497e478d3123 affected
86c0f043a737dadf034a4e6f29aefb074f4a1146< ef6c5e4607483259a0daf6584e9e34ef643a655d affected
86c0f043a737dadf034a4e6f29aefb074f4a1146< fc90ec978a3cef6f6d8c6074bee538998c7c9837 affected
86c0f043a737dadf034a4e6f29aefb074f4a1146< 0d0fa8425b29657b3d3e5bb36f50a50e57c8101f affected
86c0f043a737dadf034a4e6f29aefb074f4a1146< 25b354f74b028a3f91b12e6b446256965744c477 affected
86c0f043a737dadf034a4e6f29aefb074f4a1146< ad54698255a4b988cae1ad908c158c1d4128887c affected
86c0f043a737dadf034a4e6f29aefb074f4a1146< 56964e8039150a14462005458b25f19d6cad8f4a affected
86c0f043a737dadf034a4e6f29aefb074f4a1146< 3b0ed04bc852887a9164e1bbf521652e8ef3eb92 affected
… +10 more rows
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I. Basic Information for CVE-2026-72270

Vulnerability Information
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Vulnerability Title
fbdev: s3fb: fix potential memory leak in s3_pci_probe()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: s3fb: fix potential memory leak in s3_pci_probe() In s3_pci_probe(), the memory allocated for modelist using fb_videomode_to_modelist() is not freed in subsequent error paths. Fix that by calling fb_destroy_modelist()
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s3_pci_probe()函数中，使用fb_videomode_to_modelist()分配的内存未在后续错误路径中释放，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 86c0f043a737dadf034a4e6f29aefb074f4a1146 ~ 37f4b8bd9e3835a7d4da26baf80b497e478d3123 -
Linux Linux 3.0 -

II. Public POCs for CVE-2026-72270

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III. Intelligence Information for CVE-2026-72270

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Patches & Fixes for CVE-2026-72270 (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-2026-72270

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