CVE-2026-74427— afs: Fix netns teardown to cancel the preallocation charger
Possible ATT&CK Techniques 1AI
T1071 · Application Layer ProtocolAffected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 00e907127e6f86d0f9b122d9b4347a8aa09a8b61< 63ccaf1bdf8be2330f47f9b5b233dd3fd04acbd9 | affected |
00e907127e6f86d0f9b122d9b4347a8aa09a8b61< f5096e18b6b7fbd1c2a1942e275a51bcfdfb2ad1 | affected | ||
00e907127e6f86d0f9b122d9b4347a8aa09a8b61< 59e8b7652f6cbfb62d377ead0ad553c1b4e39a7a | affected | ||
00e907127e6f86d0f9b122d9b4347a8aa09a8b61< 85d5fb80fe4f0cc836b6df83f26de204fe102ff7 | affected | ||
00e907127e6f86d0f9b122d9b4347a8aa09a8b61< a33975ff2b6ea47b8f29956403374b1cdd057539 | affected | ||
00e907127e6f86d0f9b122d9b4347a8aa09a8b61< b83ecf80e28afb7b6595ba79932e77ca68a5a83d | affected | ||
00e907127e6f86d0f9b122d9b4347a8aa09a8b61< eec89c5f8e1adc1de4824042ef75f62aed804153 | affected | ||
00e907127e6f86d0f9b122d9b4347a8aa09a8b61< 47694fbc9d24ab6bf210f91e8efe06a10a478064 | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2026-74427
Vulnerability Information
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Vulnerability Title
afs: Fix netns teardown to cancel the preallocation charger
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: afs: Fix netns teardown to cancel the preallocation charger Fix the teardown of an afs network namespace to make sure it cancels the work item that keeps the preallocated rxrpc call/conn/peer queue charged before incoming calls are disabled (i.e. listen 0). Also, if net->live is false because the afs netns is being deleted, make afs_charge_preallocation() skip charging and make afs_rx_new_call() avoid requeuing the charger. (This was found by AI review).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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网络命名空间拆除时未取消预分配充电器的工作项，可能导致资源未正确释放。
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
II. Public POCs for CVE-2026-74427
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-74427 (8)
Same Patch Batch · Linux · 2026-08-15 · 845 CVEs total
| CVE-2026-72421 | 10.0 CRITICAL | ipv4: fib: Don't ignore error route in local/main tables. |
| 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-2026-74279 | 10.0 CRITICAL | crypto: cavium/cpt - fix DMA cleanup using wrong loop index |
| CVE-2026-74475 | 10.0 CRITICAL | vxlan: use neigh_ha_snapshot() in route_shortcircuit() |
| CVE-2026-74280 | 10.0 CRITICAL | crypto: marvell/octeontx - fix DMA cleanup using wrong loop index |
| CVE-2026-72493 | 9.9 CRITICAL | net: serialize netif_running() check in enqueue_to_backlog() |
| 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-2026-72064 | 9.8 CRITICAL | net: mana: Sync page pool RX frags for CPU |
| CVE-2026-72065 | 9.8 CRITICAL | net: mana: Validate the packet length reported by the NIC |
| CVE-2026-72069 | 9.8 CRITICAL | locking/rt: Fix the incorrect RCU protection in rt_spin_unlock() |
| CVE-2026-72185 | 9.8 CRITICAL | ntfs: fix WARN_ON for resident attribute in ntfs_map_runlist_nolock() |
| CVE-2026-72249 | 9.8 CRITICAL | netfilter: flowtable: use dst in this direction when pushing IPIP header |
| CVE-2026-72494 | 9.8 CRITICAL | RDMA/irdma: Replace waitqueue and flag with completion |
| CVE-2026-72248 | 9.8 CRITICAL | netfilter: flowtable: support IPIP tunnel with direct xmit |
| CVE-2026-72491 | 9.8 CRITICAL | net/9p: fix race condition on rdma->state in trans_rdma.c |
| CVE-2026-72251 | 9.8 CRITICAL | netfilter: nf_nat_sip: reload possible stale data pointer |
| CVE-2026-74480 | 9.8 CRITICAL | net: bridge: stop fast-leave after deleting a port group |
Showing top 20 of 845 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-74583
net/sched: cls_route: fix fastmap use-after-free on filter - CVE-2026-74581
net: ipv6: clear suppressed fib6 rule result - CVE-2026-74582
packet: use consistent hard_header_len in non-ring send path - CVE-2026-74580
vhost: reset the vring metadata cache on vring reconfigurati - CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off
Same vendor: Linux
- CVE-2026-74583
net/sched: cls_route: fix fastmap use-after-free on filter - CVE-2026-74581
net: ipv6: clear suppressed fib6 rule result - CVE-2026-74582
packet: use consistent hard_header_len in non-ring send path - CVE-2026-74580
vhost: reset the vring metadata cache on vring reconfigurati - CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off
V. Comments for CVE-2026-74427
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