CVE-2022-49586— tcp: Fix data-races around sysctl_tcp_fastopen.
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 14
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 2100c8d2d9db23c0a09901a782bb4e3b21bee298< 03da610696a32578fc4f986479341ce9d430df08 | affected |
2100c8d2d9db23c0a09901a782bb4e3b21bee298< 25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc | affected | ||
2100c8d2d9db23c0a09901a782bb4e3b21bee298< 22938534c611136f35e2ca545bb668073ca5ef49 | affected | ||
2100c8d2d9db23c0a09901a782bb4e3b21bee298< 539d9ab79eba3974b479cad61a8688c41fe62e12 | affected | ||
2100c8d2d9db23c0a09901a782bb4e3b21bee298< 448ab998947996a0a451f8229f19087964cf2670 | affected | ||
2100c8d2d9db23c0a09901a782bb4e3b21bee298< 5a54213318c43f4009ae158347aa6016e3b9b55a | affected | ||
3.6 | affected | ||
< 3.6 | unaffected | ||
| … +6 more rows | |||
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I. Basic Information for CVE-2022-49586
Vulnerability Information
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Vulnerability Title
tcp: Fix data-races around sysctl_tcp_fastopen.
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen. While reading sysctl_tcp_fastopen, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
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sysctl_tcp_fastopen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
II. Public POCs for CVE-2022-49586
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
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Patches & Fixes for CVE-2022-49586 (6)
Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total
| CVE-2022-49496 | media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko | |
| CVE-2022-49487 | mtd: rawnand: intel: fix possible null-ptr-deref in ebu_nand_probe() | |
| CVE-2022-49486 | ASoC: fsl: Fix refcount leak in imx_sgtl5000_probe | |
| CVE-2022-49488 | drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected | |
| CVE-2022-49489 | drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm run | |
| CVE-2022-49490 | drm/msm/mdp5: Return error code in mdp5_pipe_release when deadlock is detected | |
| CVE-2022-49491 | drm/rockchip: vop: fix possible null-ptr-deref in vop_bind() | |
| CVE-2022-49492 | nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags | |
| CVE-2022-49493 | ASoC: rt5645: Fix errorenous cleanup order | |
| CVE-2022-49494 | mtd: rawnand: cadence: fix possible null-ptr-deref in cadence_nand_dt_probe() | |
| CVE-2022-49495 | drm/msm/hdmi: check return value after calling platform_get_resource_byname() | |
| CVE-2022-49497 | net: remove two BUG() from skb_checksum_help() | |
| CVE-2022-49503 | ath9k_htc: fix potential out of bounds access with invalid rxstatus->rs_keyix | |
| CVE-2022-49508 | HID: elan: Fix potential double free in elan_input_configured | |
| CVE-2022-49506 | drm/mediatek: Add vblank register/unregister callback functions | |
| CVE-2022-49504 | scsi: lpfc: Inhibit aborts if external loopback plug is inserted | |
| CVE-2022-49505 | NFC: NULL out the dev->rfkill to prevent UAF | |
| CVE-2022-49502 | media: rga: fix possible memory leak in rga_probe | |
| CVE-2022-49499 | drm/msm: Fix null pointer dereferences without iommu | |
| CVE-2022-49498 | ALSA: pcm: Check for null pointer of pointer substream before dereferencing it |
Showing top 20 of 706 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2024-14040
net: nexthop: Increase weight to u16 - CVE-2026-64530
net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_han - CVE-2026-64529
crypto: qat - remove unused character device and IOCTLs - CVE-2026-64528
tty: serial: samsung: Remove redundant port lock acquisition - CVE-2026-64527
drm/hyperv: validate VMBus packet size in receive callback
Same vendor: Linux
- CVE-2024-14040
net: nexthop: Increase weight to u16 - CVE-2026-64530
net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_han - CVE-2026-64529
crypto: qat - remove unused character device and IOCTLs - CVE-2026-64528
tty: serial: samsung: Remove redundant port lock acquisition - CVE-2026-64527
drm/hyperv: validate VMBus packet size in receive callback
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