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CVE-2024-50001— net/mlx5: Fix error path in multi-packet WQE transmit

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net/mlx5组件在多包WQE传输中的错误路径处理。

CVSS 7.8 · High EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1562

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 5af75c747e2a868abbf8611494b50ed5e076fca7< ca36d6c1a49b6965c86dd528a73f38bc62d9c625 affected
5af75c747e2a868abbf8611494b50ed5e076fca7< ce828b347cf1b3c1b12b091d02463c35ce5097f5 affected
5af75c747e2a868abbf8611494b50ed5e076fca7< fc357e78176945ca7bcacf92ab794b9ccd41b4f4 affected
5af75c747e2a868abbf8611494b50ed5e076fca7< 26fad69b34fcba80d5c7d9e651f628e6ac927754 affected
5af75c747e2a868abbf8611494b50ed5e076fca7< ecf310aaf256acbc8182189fe0aa1021c3ddef72 affected
5af75c747e2a868abbf8611494b50ed5e076fca7< 8bb8c12fb5e2b1f03d603d493c92941676f109b5 affected
5af75c747e2a868abbf8611494b50ed5e076fca7< 2bcae12c795f32ddfbf8c80d1b5f1d3286341c32 affected
5.10 affected
… +8 more rows
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I. Basic Information for CVE-2024-50001

Vulnerability Information
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Vulnerability Title
net/mlx5: Fix error path in multi-packet WQE transmit
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix error path in multi-packet WQE transmit Remove the erroneous unmap in case no DMA mapping was established The multi-packet WQE transmit code attempts to obtain a DMA mapping for the skb. This could fail, e.g. under memory pressure, when the IOMMU driver just can't allocate more memory for page tables. While the code tries to handle this in the path below the err_unmap label it erroneously unmaps one entry from the sq's FIFO list of active mappings. Since the current map attempt failed this unmap is removing some random DMA mapping that might still be required. If the PCI function now presents that IOVA, the IOMMU may assumes a rogue DMA access and e.g. on s390 puts the PCI function in error state. The erroneous behavior was seen in a stress-test environment that created memory pressure.
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net/mlx5组件在多包WQE传输中的错误路径处理。
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 5af75c747e2a868abbf8611494b50ed5e076fca7 ~ ca36d6c1a49b6965c86dd528a73f38bc62d9c625 -
Linux Linux 5.10 -

II. Public POCs for CVE-2024-50001

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III. Intelligence Information for CVE-2024-50001

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Patches & Fixes for CVE-2024-50001 (6)

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

CVE-2024-49855 9.8 CRITICAL nbd: fix race between timeout and normal completion
CVE-2024-47695 9.8 CRITICAL RDMA/rtrs-clt: Reset cid to con_num - 1 to stay in bounds
CVE-2022-48985 9.8 CRITICAL net: mana: Fix race on per-CQ variable napi work_done
CVE-2024-50046 9.8 CRITICAL NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
CVE-2024-50047 9.8 CRITICAL smb: client: fix UAF in async decryption
CVE-2024-50043 9.8 CRITICAL nfsd: fix possible badness in FREE_STATEID
CVE-2024-50033 9.8 CRITICAL slip: make slhc_remember() more robust against malicious packets
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-2024-49939 8.8 HIGH wifi: rtw89: avoid to add interface to list twice when SER
CVE-2022-48962 8.8 HIGH net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
CVE-2022-48960 8.8 HIGH net: hisilicon: Fix potential use-after-free in hix5hd2_rx()
CVE-2022-48954 8.8 HIGH s390/qeth: fix use-after-free in hsci
CVE-2024-50029 8.8 HIGH Bluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync
CVE-2024-49930 8.8 HIGH wifi: ath11k: fix array out-of-bound access in SoC stats
CVE-2024-47721 8.8 HIGH wifi: rtw89: remove unused C2H event ID RTW89_MAC_C2H_FUNC_READ_WOW_CAM to prevent out-of-
CVE-2024-49982 8.8 HIGH aoe: fix the potential use-after-free problem in more places
CVE-2024-49950 8.8 HIGH Bluetooth: L2CAP: Fix uaf in l2cap_connect
CVE-2024-47724 8.8 HIGH wifi: ath11k: use work queue to process beacon tx event

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-2024-50001

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