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CVE-2024-49954— static_call: Replace pointless WARN_ON() in static_call_module_notify()

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static_call子系统中的static_call_module_notify函数中的不必要警告，可能导致不必要的内核崩溃。

AI Predicted 5.9 Difficulty: Theoretical EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1055.003 · Thread Execution Hijacking

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 9183c3f9ed710a8edf1a61e8a96d497258d26e08< bc9356513d56b688775497b7ac6f2b967f46a80c affected
9183c3f9ed710a8edf1a61e8a96d497258d26e08< ea2cdf4da093d0482f0ef36ba971e2e0c7673425 affected
9183c3f9ed710a8edf1a61e8a96d497258d26e08< e67534bd31d79952b50e791e92adf0b3e6c13b8c affected
9183c3f9ed710a8edf1a61e8a96d497258d26e08< 85a104aaef1f56623acc10ba4c42d5f046ba65b7 affected
9183c3f9ed710a8edf1a61e8a96d497258d26e08< b83bef74c121a3311240fc4002d23486b85355e4 affected
9183c3f9ed710a8edf1a61e8a96d497258d26e08< fe513c2ef0a172a58f158e2e70465c4317f0a9a2 affected
5.10 affected
< 5.10 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-49954

Vulnerability Information
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Vulnerability Title
static_call: Replace pointless WARN_ON() in static_call_module_notify()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: static_call: Replace pointless WARN_ON() in static_call_module_notify() static_call_module_notify() triggers a WARN_ON(), when memory allocation fails in __static_call_add_module(). That's not really justified, because the failure case must be correctly handled by the well known call chain and the error code is passed through to the initiating userspace application. A memory allocation fail is not a fatal problem, but the WARN_ON() takes the machine out when panic_on_warn is set. Replace it with a pr_warn().
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static_call子系统中的static_call_module_notify函数中的不必要警告，可能导致不必要的内核崩溃。
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 9183c3f9ed710a8edf1a61e8a96d497258d26e08 ~ bc9356513d56b688775497b7ac6f2b967f46a80c -
Linux Linux 5.10 -

II. Public POCs for CVE-2024-49954

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III. Intelligence Information for CVE-2024-49954

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Patches & Fixes for CVE-2024-49954 (3)

Same Patch Batch · Linux · 2024-10-21 · 372 CVEs total

CVE-2022-48985 9.8 CRITICAL net: mana: Fix race on per-CQ variable napi work_done
CVE-2024-47695 9.8 CRITICAL RDMA/rtrs-clt: Reset cid to con_num - 1 to stay in bounds
CVE-2024-50033 9.8 CRITICAL slip: make slhc_remember() more robust against malicious packets
CVE-2024-49855 9.8 CRITICAL nbd: fix race between timeout and normal completion
CVE-2024-50043 9.8 CRITICAL nfsd: fix possible badness in FREE_STATEID
CVE-2024-50047 9.8 CRITICAL smb: client: fix UAF in async decryption
CVE-2024-50046 9.8 CRITICAL NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
CVE-2022-49003 9.8 CRITICAL nvme: fix SRCU protection of nvme_ns_head list
CVE-2024-49996 9.4 CRITICAL cifs: Fix buffer overflow when parsing NFS reparse points
CVE-2024-47678 9.4 CRITICAL icmp: change the order of rate limits
CVE-2022-49017 8.8 HIGH tipc: re-fetch skb cb after tipc_msg_validate
CVE-2024-50029 8.8 HIGH Bluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync
CVE-2022-48954 8.8 HIGH s390/qeth: fix use-after-free in hsci
CVE-2022-48967 8.8 HIGH NFC: nci: Bounds check struct nfc_target arrays
CVE-2022-48964 8.8 HIGH ravb: Fix potential use-after-free in ravb_rx_gbeth()
CVE-2022-48960 8.8 HIGH net: hisilicon: Fix potential use-after-free in hix5hd2_rx()
CVE-2022-48962 8.8 HIGH net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
CVE-2022-49015 8.8 HIGH net: hsr: Fix potential use-after-free
CVE-2024-49939 8.8 HIGH wifi: rtw89: avoid to add interface to list twice when SER
CVE-2024-49930 8.8 HIGH wifi: ath11k: fix array out-of-bound access in SoC stats

Showing top 20 of 372 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-49954

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