CVE-2026-23422— dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler
Possible ATT&CK Techniques 2AI
T1068 · Exploitation for Privilege Escalation T1211 · Exploitation for StealthAffected Version Matrix 21
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 77611cab5bdfff7a070ae574bbfba20a1de99d1b< 7def51cb9fb8b8d5342443372b8cf28d8fbd7f3d | affected |
34b56c16efd61325d80bf1d780d0e176be662f59< b5bababe7703a7322bc59b803ab1587887a2a5e4 | affected | ||
f89e33c9c37f0001b730e23b3b05ab7b1ecface2< c7becfe3e604d138bd53b8ac3111b2b3e8ec6b0e | affected | ||
2447edc367800ba914acf7ddd5d250416b45fb31< fa4412cdc5178a48799bafcb8af28fd2fbf3d703 | affected | ||
1b381a638e1851d8cfdfe08ed9cdbec5295b18c9< 00f42ace446f1e4bf84988f2281131f52cd32796 | affected | ||
31a7a0bbeb006bac2d9c81a2874825025214b6d8< 28fd8ac1d49389cb230d712116f54e27ebec11b8 | affected | ||
31a7a0bbeb006bac2d9c81a2874825025214b6d8< 74badb9c20b1a9c02a95c735c6d3cd6121679c93 | affected | ||
5.15.200< 5.15.203 | affected | ||
| … +13 more rows | |||
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I. Basic Information for CVE-2026-23422
Vulnerability Information
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Vulnerability Title
dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler Commit 31a7a0bbeb00 ("dpaa2-switch: add bounds check for if_id in IRQ handler") introduces a range check for if_id to avoid an out-of-bounds access. If an out-of-bounds if_id is detected, the interrupt status is not cleared. This may result in an interrupt storm. Clear the interrupt status after detecting an out-of-bounds if_id to avoid the problem. Found by an experimental AI code review agent at Google.
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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于dpaa2-switch中断处理程序在检测到越界if_id后未清除中断状态，可能导致中断风暴。
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-2026-23422
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Linux · 2026-04-03 · 72 CVEs total
| CVE-2026-23450 | 9.8 CRITICAL | net/smc: fix NULL dereference and UAF in smc_tcp_syn_recv_sock() |
| CVE-2026-31402 | 9.8 CRITICAL | nfsd: fix heap overflow in NFSv4.0 LOCK replay cache |
| CVE-2026-23427 | 9.8 CRITICAL | ksmbd: fix use-after-free in durable v2 replay of active file handles |
| CVE-2026-23428 | 9.8 CRITICAL | ksmbd: fix use-after-free of share_conf in compound request |
| CVE-2026-23455 | 9.1 CRITICAL | netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() |
| CVE-2026-23425 | 8.8 HIGH | KVM: arm64: Fix ID register initialization for non-protected pKVM guests |
| CVE-2026-23462 | 8.8 HIGH | Bluetooth: HIDP: Fix possible UAF |
| CVE-2026-23461 | 8.8 HIGH | Bluetooth: L2CAP: Fix use-after-free in l2cap_unregister_user |
| CVE-2026-23457 | 8.6 HIGH | netfilter: nf_conntrack_sip: fix Content-Length u32 truncation in sip_help_tcp() |
| CVE-2026-23456 | 8.2 HIGH | netfilter: nf_conntrack_h323: fix OOB read in decode_int() CONS case |
| CVE-2026-23459 | 8.2 HIGH | ip_tunnel: adapt iptunnel_xmit_stats() to NETDEV_PCPU_STAT_DSTATS |
| CVE-2026-31393 | 8.1 HIGH | Bluetooth: L2CAP: Validate L2CAP_INFO_RSP payload length before access |
| CVE-2026-31392 | 8.1 HIGH | smb: client: fix krb5 mount with username option |
| CVE-2026-23437 | 7.8 HIGH | net: shaper: protect late read accesses to the hierarchy |
| CVE-2026-31389 | 7.8 HIGH | spi: fix use-after-free on controller registration failure |
| CVE-2026-31401 | 7.8 HIGH | HID: bpf: prevent buffer overflow in hid_hw_request |
| CVE-2026-23458 | 7.8 HIGH | netfilter: ctnetlink: fix use-after-free in ctnetlink_dump_exp_ct() |
| CVE-2026-23444 | 7.8 HIGH | wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure |
| CVE-2026-23445 | 7.8 HIGH | igc: fix page fault in XDP TX timestamps handling |
| CVE-2026-23449 | 7.8 HIGH | net/sched: teql: Fix double-free in teql_master_xmit |
Showing top 20 of 72 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-64565
Input: ims-pcu - fix heap-buffer-overflow in ims_pcu_process - CVE-2026-64564
sctp: don't free the ASCONF's own transport in DEL-IP proces - CVE-2026-64563
rhashtable: clear stale iter->p on table restart - CVE-2026-64562
KVM: nVMX: Hide shadow VMCS right after VMCLEAR - CVE-2026-64561
KVM: x86: Check for invalid/obsolete root *after* making MMU
Same vendor: Linux
- CVE-2026-64565
Input: ims-pcu - fix heap-buffer-overflow in ims_pcu_process - CVE-2026-64564
sctp: don't free the ASCONF's own transport in DEL-IP proces - CVE-2026-64563
rhashtable: clear stale iter->p on table restart - CVE-2026-64562
KVM: nVMX: Hide shadow VMCS right after VMCLEAR - CVE-2026-64561
KVM: x86: Check for invalid/obsolete root *after* making MMU
V. Comments for CVE-2026-23422
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