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CVE-2026-72378— afs: Fix error code in afs_extract_vl_addrs()

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afs_extract_vl_addrs()函数中错误码仅在循环第一次迭代时设置，可能导致错误码不正确。

CVSS 7.5 · High EPSS 0.72% · P51

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 0a5143f2f89cc88d8a3eada8e8ccd86c1e988257< 7ce6737a975ea3e0dc2e5946628d233779ca0caf affected
0a5143f2f89cc88d8a3eada8e8ccd86c1e988257< 4e0b047848a855f2c933a6439f76a01743ba5620 affected
0a5143f2f89cc88d8a3eada8e8ccd86c1e988257< f70fbf2b974b63a7042705c2b0464cb8c97e9f34 affected
0a5143f2f89cc88d8a3eada8e8ccd86c1e988257< 9ad9016e3333c3c1f9284a253ff0658369e07aac affected
0a5143f2f89cc88d8a3eada8e8ccd86c1e988257< cb33dd2968588c78fad78dec19f61cabe5785494 affected
0a5143f2f89cc88d8a3eada8e8ccd86c1e988257< 8530206911fd66ad739ca5ce95f1d069f3d42204 affected
0a5143f2f89cc88d8a3eada8e8ccd86c1e988257< bdcd80ff12939d172043fac5eb822b92366a1bab affected
0a5143f2f89cc88d8a3eada8e8ccd86c1e988257< 4897cb71d4ab1f7e1a214adb1e4b80176702368d affected
… +10 more rows
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I. Basic Information for CVE-2026-72378

Vulnerability Information
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Vulnerability Title
afs: Fix error code in afs_extract_vl_addrs()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: afs: Fix error code in afs_extract_vl_addrs() The error codes on these paths are only set on the first iteration through the loop. Set the correct error code on every iteration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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afs_extract_vl_addrs()函数中错误码仅在循环第一次迭代时设置，可能导致错误码不正确。
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 0a5143f2f89cc88d8a3eada8e8ccd86c1e988257 ~ 7ce6737a975ea3e0dc2e5946628d233779ca0caf -
Linux Linux 4.20 -

II. Public POCs for CVE-2026-72378

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III. Intelligence Information for CVE-2026-72378

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Patches & Fixes for CVE-2026-72378 (8)

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

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-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
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-2026-72221 9.8 CRITICAL sunrpc: wait for in-flight TLS handshake callback when cancel loses race
CVE-2026-72323 9.8 CRITICAL ipv4: igmp: Fix potential UAF in igmp_gq_start_timer()
CVE-2026-72463 9.8 CRITICAL xfrm: Fix dev use-after-free in xfrm async resumption
CVE-2026-72069 9.8 CRITICAL locking/rt: Fix the incorrect RCU protection in rt_spin_unlock()
CVE-2026-74376 9.8 CRITICAL md/raid10: reset read_slot when reusing r10bio for discard
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-2026-74255 9.8 CRITICAL tipc: fix UAF in tipc_l2_send_msg()
CVE-2026-72339 9.8 CRITICAL qede: fix off-by-one in BD ring consumption on build_skb failure
CVE-2026-72234 9.8 CRITICAL batman-adv: access unicast_ttvn skb->data only after skb realloc
CVE-2026-74495 9.8 CRITICAL igbvf: Fix leak in TX DMA error cleanup
CVE-2026-72355 9.8 CRITICAL netfs: Fix barriering when walking subrequest list

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-2026-72378

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