CVE-2022-49950— misc: fastrpc: fix memory corruption on open
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fastrpc在打开时未正确检查会话计数，可能导致内存损坏。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 12
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | f6f9279f2bf0e37e2f1fb119d8832b8568536a04< f8632b8bb53ebc005d8f24a68a0c1f9678c0e908 |
affected |
f6f9279f2bf0e37e2f1fb119d8832b8568536a04< 5cf2a57c7a01a0d7bdecf875a63682f542891b1b |
affected | ||
f6f9279f2bf0e37e2f1fb119d8832b8568536a04< cf20c3533efc89578ace94fa20a9e63446223c72 |
affected | ||
f6f9279f2bf0e37e2f1fb119d8832b8568536a04< e0578e603065f120a8759b75e0d6c216c7078a39 |
affected | ||
f6f9279f2bf0e37e2f1fb119d8832b8568536a04< d245f43aab2b61195d8ebb64cef7b5a08c590ab4 |
affected | ||
5.1 |
affected | ||
< 5.1 |
unaffected | ||
5.4.213≤ 5.4.* |
unaffected | ||
| … +4 more rows | |||
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I. Basic Information for CVE-2022-49950
Vulnerability Information
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Vulnerability Title
misc: fastrpc: fix memory corruption on open
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
misc: fastrpc: fix memory corruption on open
The probe session-duplication overflow check incremented the session
count also when there were no more available sessions so that memory
beyond the fixed-size slab-allocated session array could be corrupted in
fastrpc_session_alloc() on open().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/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fastrpc在打开时未正确检查会话计数，可能导致内存损坏。
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-2022-49950
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Same Patch Batch · Linux · 2025-06-18 · 362 CVEs total
| CVE-2025-38075 | 9.8 CRITICAL | scsi: target: iscsi: Fix timeout on deleted connection |
| CVE-2022-50098 | 8.8 HIGH | scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts |
| CVE-2022-49934 | 8.8 HIGH | wifi: mac80211: Fix UAF in ieee80211_scan_rx() |
| CVE-2022-50164 | 8.8 HIGH | wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue |
| CVE-2025-38074 | 8.8 HIGH | vhost-scsi: protect vq->log_used with vq->mutex |
| CVE-2022-49974 | 8.8 HIGH | HID: nintendo: fix rumble worker null pointer deref |
| CVE-2025-38016 | 8.8 HIGH | HID: bpf: abort dispatch if device destroyed |
| CVE-2025-38052 | 8.8 HIGH | net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done |
| CVE-2022-49968 | 8.0 HIGH | ieee802154/adf7242: defer destroy_workqueue call |
| CVE-2022-49939 | 7.8 HIGH | binder: fix UAF of ref->proc caused by race condition |
| CVE-2022-50101 | 7.8 HIGH | video: fbdev: vt8623fb: Check the size of screen before memset_io() |
| CVE-2022-49935 | 7.8 HIGH | dma-buf/dma-resv: check if the new fence is really later |
| CVE-2022-49948 | 7.8 HIGH | vt: Clear selection before changing the font |
| CVE-2025-38082 | 7.8 HIGH | gpio: virtuser: fix potential out-of-bound write |
| CVE-2022-50182 | 7.8 HIGH | media: imx-jpeg: Align upwards buffer size |
| CVE-2025-38080 | 7.8 HIGH | drm/amd/display: Increase block_sequence array size |
| CVE-2025-38058 | 7.8 HIGH | __legitimize_mnt(): check for MNT_SYNC_UMOUNT should be under mount_lock |
| CVE-2025-38079 | 7.8 HIGH | crypto: algif_hash - fix double free in hash_accept |
| CVE-2025-38065 | 7.8 HIGH | orangefs: Do not truncate file size |
| CVE-2025-38068 | 7.8 HIGH | crypto: lzo - Fix compression buffer overrun |
Showing top 20 of 362 CVEs. View all on vendor page → →
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Same vendor: Linux
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bpf: Infer zext_dst based on static register liveness analys -
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V. Comments for CVE-2022-49950
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