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CVE-2024-40983— tipc: force a dst refcount before doing decryption

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 tipc 组件在解密前未能正确使用引用计数，可能导致崩溃。

CVSS 9.8 · Critical EPSS 0.88% · P58

Possible ATT&CK Techniques 1 AI

T1498.002 · Reflection Amplification

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux fc1b6d6de2208774efd2a20bf0daddb02d18b1e0< 3eb1b39627892c4e26cb0162b75725aa5fcc60c8 affected
fc1b6d6de2208774efd2a20bf0daddb02d18b1e0< 692803b39a36e63ac73208e0a3769ae6a2f9bc76 affected
fc1b6d6de2208774efd2a20bf0daddb02d18b1e0< 623c90d86a61e3780f682b32928af469c66ec4c2 affected
fc1b6d6de2208774efd2a20bf0daddb02d18b1e0< b57a4a2dc8746cea58a922ebe31b6aa629d69d93 affected
fc1b6d6de2208774efd2a20bf0daddb02d18b1e0< 6808b41371670c51feea14f63ade211e78100930 affected
fc1b6d6de2208774efd2a20bf0daddb02d18b1e0< 2ebe8f840c7450ecbfca9d18ac92e9ce9155e269 affected
5.5 affected
< 5.5 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-40983

Vulnerability Information
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Vulnerability Title
tipc: force a dst refcount before doing decryption
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tipc: force a dst refcount before doing decryption As it says in commit 3bc07321ccc2 ("xfrm: Force a dst refcount before entering the xfrm type handlers"): "Crypto requests might return asynchronous. In this case we leave the rcu protected region, so force a refcount on the skb's destination entry before we enter the xfrm type input/output handlers." On TIPC decryption path it has the same problem, and skb_dst_force() should be called before doing decryption to avoid a possible crash. Shuang reported this issue when this warning is triggered: [] WARNING: include/net/dst.h:337 tipc_sk_rcv+0x1055/0x1ea0 [tipc] [] Kdump: loaded Tainted: G W --------- - - 4.18.0-496.el8.x86_64+debug [] Workqueue: crypto cryptd_queue_worker [] RIP: 0010:tipc_sk_rcv+0x1055/0x1ea0 [tipc] [] Call Trace: [] tipc_sk_mcast_rcv+0x548/0xea0 [tipc] [] tipc_rcv+0xcf5/0x1060 [tipc] [] tipc_aead_decrypt_done+0x215/0x2e0 [tipc] [] cryptd_aead_crypt+0xdb/0x190 [] cryptd_queue_worker+0xed/0x190 [] process_one_work+0x93d/0x17e0
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 tipc 组件在解密前未能正确使用引用计数，可能导致崩溃。
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 fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 ~ 3eb1b39627892c4e26cb0162b75725aa5fcc60c8 -
Linux Linux 5.5 -

II. Public POCs for CVE-2024-40983

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III. Intelligence Information for CVE-2024-40983

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Other References for CVE-2024-40983 (4)

Same Patch Batch · Linux · 2024-07-12 · 122 CVEs total

CVE-2024-40937 9.8 CRITICAL gve: Clear napi->skb before dev_kfree_skb_any()
CVE-2024-40923 9.8 CRITICAL vmxnet3: disable rx data ring on dma allocation failure
CVE-2024-40907 9.8 CRITICAL ionic: fix kernel panic in XDP_TX action
CVE-2024-40999 9.8 CRITICAL net: ena: Add validation for completion descriptors consistency
CVE-2024-40910 8.8 HIGH ax25: Fix refcount imbalance on inbound connections
CVE-2024-40911 8.8 HIGH wifi: cfg80211: Lock wiphy in cfg80211_get_station
CVE-2024-40941 8.1 HIGH wifi: iwlwifi: mvm: don't read past the mfuart notifcation
CVE-2024-40953 7.9 HIGH KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()
CVE-2024-39496 7.8 HIGH btrfs: zoned: fix use-after-free due to race with dev replace
CVE-2024-40949 7.8 HIGH mm: shmem: fix getting incorrect lruvec when replacing a shmem folio
CVE-2024-39494 7.8 HIGH ima: Fix use-after-free on a dentry's dname.name
CVE-2024-39500 7.8 HIGH sock_map: avoid race between sock_map_close and sk_psock_put
CVE-2024-40990 7.8 HIGH RDMA/mlx5: Add check for srq max_sge attribute
CVE-2024-40989 7.8 HIGH KVM: arm64: Disassociate vcpus from redistributor region on teardown
CVE-2024-40947 7.8 HIGH ima: Avoid blocking in RCU read-side critical section
CVE-2024-40918 7.8 HIGH parisc: Try to fix random segmentation faults in package builds
CVE-2024-40986 7.8 HIGH dmaengine: xilinx: xdma: Fix data synchronisation in xdma_channel_isr()
CVE-2024-40970 7.8 HIGH Avoid hw_desc array overrun in dw-axi-dmac
CVE-2024-40979 7.8 HIGH wifi: ath12k: fix kernel crash during resume
CVE-2024-40974 7.8 HIGH powerpc/pseries: Enforce hcall result buffer validity and size

Showing top 20 of 122 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-40983

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