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CVE-2025-71131— crypto: seqiv - Do not use req->iv after crypto_aead_encrypt

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，该漏洞源于在异步加密操作后使用了已释放的请求内存，可能导致无效内存访问。

CVSS 7.5 · High EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 0a270321dbf948963aeb0e8382fe17d2c2eb3771< 18202537856e0fae079fed2c9308780bcff2bb9d affected
0a270321dbf948963aeb0e8382fe17d2c2eb3771< baf0e2d1e03ddb04781dfe7f22a654d3611f69b2 affected
0a270321dbf948963aeb0e8382fe17d2c2eb3771< 50f196d2bbaee4ab2494bb1b0d294deba292951a affected
0a270321dbf948963aeb0e8382fe17d2c2eb3771< 0279978adec6f1296af66b642cce641c6580be46 affected
0a270321dbf948963aeb0e8382fe17d2c2eb3771< ccbb96434d88e32358894c879457b33f7508e798 affected
0a270321dbf948963aeb0e8382fe17d2c2eb3771< 5476f7f8a311236604b78fcc5b2a63b3a61b0169 affected
0a270321dbf948963aeb0e8382fe17d2c2eb3771< 50fdb78b7c0bcc550910ef69c0984e751cac72fa affected
2.6.25 affected
… +8 more rows
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I. Basic Information for CVE-2025-71131

Vulnerability Information
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Vulnerability Title
crypto: seqiv - Do not use req->iv after crypto_aead_encrypt
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: seqiv - Do not use req->iv after crypto_aead_encrypt As soon as crypto_aead_encrypt is called, the underlying request may be freed by an asynchronous completion. Thus dereferencing req->iv after it returns is invalid. Instead of checking req->iv against info, create a new variable unaligned_info and use it for that purpose instead.
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，该漏洞源于在异步加密操作后使用了已释放的请求内存，可能导致无效内存访问。
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 0a270321dbf948963aeb0e8382fe17d2c2eb3771 ~ 18202537856e0fae079fed2c9308780bcff2bb9d -
Linux Linux 2.6.25 -

II. Public POCs for CVE-2025-71131

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III. Intelligence Information for CVE-2025-71131

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Same Patch Batch · Linux · 2026-01-14 · 43 CVEs total

CVE-2025-71116 9.1 CRITICAL libceph: make decode_pool() more resilient against corrupted osdmaps
CVE-2025-71112 8.8 HIGH net: hns3: add VLAN id validation before using
CVE-2025-71130 7.8 HIGH drm/i915/gem: Zero-initialize the eb.vma array in i915_gem_do_execbuffer
CVE-2025-71120 7.5 HIGH SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf
CVE-2025-71126 7.5 HIGH mptcp: avoid deadlock on fallback while reinjecting
CVE-2025-71128 7.5 HIGH erspan: Initialize options_len before referencing options.
CVE-2025-71132 7.5 HIGH smc91x: fix broken irq-context in PREEMPT_RT
CVE-2025-71136 7.1 HIGH media: adv7842: Avoid possible out-of-bounds array accesses in adv7842_cp_log_status()
CVE-2025-71127 7.1 HIGH wifi: mac80211: Discard Beacon frames to non-broadcast address
CVE-2025-71109 7.1 HIGH MIPS: ftrace: Fix memory corruption when kernel is located beyond 32 bits
CVE-2025-71122 iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED
CVE-2025-71111 hwmon: (w83791d) Convert macros to functions to avoid TOCTOU
CVE-2025-71104 KVM: x86: Fix VM hard lockup after prolonged inactivity with periodic HV timer
CVE-2025-71114 via_wdt: fix critical boot hang due to unnamed resource allocation
CVE-2025-71115 um: init cpu_tasks[] earlier
CVE-2025-71103 drm/msm: adreno: fix deferencing ifpc_reglist when not declared
CVE-2025-71117 block: Remove queue freezing from several sysfs store callbacks
CVE-2025-71118 ACPICA: Avoid walking the Namespace if start_node is NULL
CVE-2025-71102 scs: fix a wrong parameter in __scs_magic
CVE-2025-71113 crypto: af_alg - zero initialize memory allocated via sock_kmalloc

Showing top 20 of 43 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-71131

Anonymous User
2026-01-15 06:08:11

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