CVE-2022-49587— tcp: Fix a data-race around sysctl_tcp_notsent_lowat.
Possible ATT&CK Techniques 1AI
T1055 · Process InjectionAffected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36< 91e21df688f8a75255ca9c459da39ac96300113a | affected |
c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36< c1b85c5a34294f7444c13bf828e0e84b0a0eed85 | affected | ||
c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36< 0f75343584ee474303e17efe0610bdd170af1d13 | affected | ||
c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36< e9362a993886613ef0284c2a4911c6017c97d803 | affected | ||
c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36< fd6f1284e380c377932186042ff0b5c987fb2b92 | affected | ||
c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36< 80d4d0c461674eea87f0977e12a2ecd334b9b79c | affected | ||
c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36< 62e56cfeb2ae4b53ae9ca24c80f54093250ce64a | affected | ||
c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36< 55be873695ed8912eb77ff46d1d1cadf028bd0f3 | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2022-49587
Vulnerability Information
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Vulnerability Title
tcp: Fix a data-race around sysctl_tcp_notsent_lowat.
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_notsent_lowat. While reading sysctl_tcp_notsent_lowat, 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。 Linux kernel存在安全漏洞，该漏洞源于sysctl_tcp_notsent_lowat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-2022-49587
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2022-49587 (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 → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
Same vendor: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
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