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CVE-2022-49595— tcp: Fix a data-race around sysctl_tcp_probe_threshold.

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。ctl是FreeBSD基金会的一个工具。提供 SCSI 目标设备仿真。 Linux kernel存在安全漏洞，该漏洞源于sysctl_tcp_probe_threshold存在数据竞争。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.19% · P8

Possible ATT&CK Techniques 2 AI

T1098 · Account Manipulation T1562

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2< 9b5dc7ad6da1373d3c60d4b869d688f996e5d219 affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2< 44768749980d53bc01980d9c060f736808d11af0 affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2< 96900fa61777402eb5056269d8000aace33a8b6c affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2< b04817c94fbd285a967d9b830b274fe9998c9c0b affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2< d452ce36f2d4c402fa3f5275c9677f80166e7fc6 affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2< f524c3e7f6cdad66b3b6a912cef47b656f8b0de3 affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2< fa5fb2cf9393db898772db8cb897ed5fd265eb78 affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2< 92c0aa4175474483d6cf373314343d4e624e882a affected
… +10 more rows
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I. Basic Information for CVE-2022-49595

Vulnerability Information
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Vulnerability Title
tcp: Fix a data-race around sysctl_tcp_probe_threshold.
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_probe_threshold. While reading sysctl_tcp_probe_threshold, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
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。ctl是FreeBSD基金会的一个工具。提供 SCSI 目标设备仿真。 Linux kernel存在安全漏洞，该漏洞源于sysctl_tcp_probe_threshold存在数据竞争。
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 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 ~ 9b5dc7ad6da1373d3c60d4b869d688f996e5d219 -
Linux Linux 4.1 -

II. Public POCs for CVE-2022-49595

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III. Intelligence Information for CVE-2022-49595

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Patches & Fixes for CVE-2022-49595 (8)

Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total

CVE-2022-49149 9.8 CRITICAL rxrpc: Fix call timer start racing with call destruction
CVE-2022-49561 9.8 CRITICAL netfilter: conntrack: re-fetch conntrack after insertion
CVE-2022-49362 9.8 CRITICAL NFSD: Fix potential use-after-free in nfsd_file_put()
CVE-2022-49201 9.8 CRITICAL ibmvnic: fix race between xmit and reset
CVE-2022-49194 9.8 CRITICAL net: bcmgenet: Use stronger register read/writes to assure ordering
CVE-2022-49093 9.8 CRITICAL skbuff: fix coalescing for page_pool fragment recycling
CVE-2022-49260 9.8 CRITICAL crypto: hisilicon/sec - fix the aead software fallback for engine
CVE-2022-49418 9.8 CRITICAL NFSv4: Fix free of uninitialized nfs4_label on referral lookup.
CVE-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49280 9.8 CRITICAL NFSD: prevent underflow in nfssvc_decode_writeargs()
CVE-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49328 8.8 HIGH mt76: fix use-after-free by removing a non-RCU wcid pointer
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49114 8.8 HIGH scsi: libfc: Fix use after free in fc_exch_abts_resp()
CVE-2022-49470 8.8 HIGH Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event
CVE-2022-49111 8.8 HIGH Bluetooth: Fix use after free in hci_send_acl
CVE-2022-49471 8.8 HIGH rtw89: cfo: check mac_id to avoid out-of-bounds
CVE-2022-49519 8.8 HIGH ath10k: skip ath10k_halt during suspend for driver state RESTARTING

Showing top 20 of 706 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49595

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