CVE-2022-50764— ipv6/sit: use DEV_STATS_INC() to avoid data-races
Possible ATT&CK Techniques 1AI
T1055 · Process InjectionAffected Version Matrix 10
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 8df40d1033d64597dcf1efd4f7547e817f7a953b< 222cc04356984f3f98acfa756a69d4bed7c501ac | affected |
8df40d1033d64597dcf1efd4f7547e817f7a953b< 4eed93bb3e57b8cc78d17166a14e40a73276015a | affected | ||
8df40d1033d64597dcf1efd4f7547e817f7a953b< 207501a986831174df09a36a8cb62a28f92f0dc8 | affected | ||
8df40d1033d64597dcf1efd4f7547e817f7a953b< cb34b7cf17ecf33499c9298943f85af247abc1e9 | affected | ||
2.6.37 | affected | ||
< 2.6.37 | unaffected | ||
5.15.86≤ 5.15.* | unaffected | ||
6.0.16≤ 6.0.* | unaffected | ||
| … +2 more rows | |||
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I. Basic Information for CVE-2022-50764
Vulnerability Information
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Vulnerability Title
ipv6/sit: use DEV_STATS_INC() to avoid data-races
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipv6/sit: use DEV_STATS_INC() to avoid data-races syzbot/KCSAN reported that multiple cpus are updating dev->stats.tx_error concurrently. This is because sit tunnels are NETIF_F_LLTX, meaning their ndo_start_xmit() is not protected by a spinlock. While original KCSAN report was about tx path, rx path has the same issue.
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sit隧道网络设备统计更新存在数据竞争。
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-2022-50764
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-50764 (1)
Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total
| CVE-2025-68741 | 9.8 CRITICAL | scsi: qla2xxx: Fix improper freeing of purex item |
| CVE-2023-53867 | 9.8 CRITICAL | ceph: fix potential use-after-free bug when trimming caps |
| CVE-2025-68726 | 9.8 CRITICAL | crypto: aead - Fix reqsize handling |
| CVE-2025-68745 | 9.8 CRITICAL | scsi: qla2xxx: Clear cmds after chip reset |
| CVE-2023-54094 | 9.8 CRITICAL | net: prevent skb corruption on frag list segmentation |
| CVE-2023-54090 | 9.8 CRITICAL | ixgbe: Fix panic during XDP_TX with > 64 CPUs |
| CVE-2023-54076 | 9.8 CRITICAL | smb: client: fix missed ses refcounting |
| CVE-2022-50717 | 9.8 CRITICAL | nvmet-tcp: add bounds check on Transfer Tag |
| CVE-2025-68359 | 9.8 CRITICAL | btrfs: fix double free of qgroup record after failure to add delayed ref head |
| CVE-2023-53996 | 9.3 CRITICAL | x86/sev: Make enc_dec_hypercall() accept a size instead of npages |
| CVE-2023-54071 | 8.8 HIGH | wifi: rtw88: use work to update rate to avoid RCU warning |
| CVE-2023-54120 | 8.8 HIGH | Bluetooth: Fix race condition in hidp_session_thread |
| CVE-2023-54043 | 8.8 HIGH | iommufd: Do not add the same hwpt to the ioas->hwpt_list twice |
| CVE-2022-50732 | 8.8 HIGH | staging: rtl8192u: Fix use after free in ieee80211_rx() |
| CVE-2023-54092 | 8.8 HIGH | KVM: s390: pv: fix index value of replaced ASCE |
| CVE-2023-54060 | 8.8 HIGH | iommufd: Set end correctly when doing batch carry |
| CVE-2025-68736 | 8.8 HIGH | landlock: Fix handling of disconnected directories |
| CVE-2023-54040 | 8.8 HIGH | ice: fix wrong fallback logic for FDIR |
| CVE-2023-53986 | 8.6 HIGH | mips: bmips: BCM6358: disable RAC flush for TP1 |
| CVE-2022-50746 | 8.4 HIGH | erofs: validate the extent length for uncompressed pclusters |
Showing top 20 of 322 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-68454
KVM: s390: pci: Fix handling of AIF enable without AISB - CVE-2026-68453
s390/zcrypt: Fix buffer over-read in cca_cipher2protkey - CVE-2026-68452
s390/zcrypt: Validate length for CCA AES cipher key requests - CVE-2026-68451
s390/zcrypt: Validate length for CCA ECC private key request - CVE-2026-68450
btrfs: free mapping node on duplicate reloc root insert
Same vendor: Linux
- CVE-2026-68454
KVM: s390: pci: Fix handling of AIF enable without AISB - CVE-2026-68453
s390/zcrypt: Fix buffer over-read in cca_cipher2protkey - CVE-2026-68452
s390/zcrypt: Validate length for CCA AES cipher key requests - CVE-2026-68451
s390/zcrypt: Validate length for CCA ECC private key request - CVE-2026-68450
btrfs: free mapping node on duplicate reloc root insert
V. Comments for CVE-2022-50764
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