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CVE-2024-50208— RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages

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，该漏洞源于存在Level-2 PBL页面设置错误问题。

CVSS 7.8 · High EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 0c4dcd602817502bb3dced7a834a13ef717d65a4< df6fed0a2a1a5e57f033bca40dc316b18e0d0ce6 affected
0c4dcd602817502bb3dced7a834a13ef717d65a4< de5857fa7bcc9a496a914c7e21390be873109f26 affected
0c4dcd602817502bb3dced7a834a13ef717d65a4< ea701c1849e7250ea41a4f7493e0a5f136c1d47e affected
0c4dcd602817502bb3dced7a834a13ef717d65a4< 87cb3b0054e53e0155b630bdf8fb714ded62565f affected
0c4dcd602817502bb3dced7a834a13ef717d65a4< daac56dd98e1ba814c878ac0acd482a37f2ab94b affected
0c4dcd602817502bb3dced7a834a13ef717d65a4< 7988bdbbb85ac85a847baf09879edcd0f70521dc affected
5.7 affected
< 5.7 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-50208

Vulnerability Information
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Vulnerability Title
RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages Avoid memory corruption while setting up Level-2 PBL pages for the non MR resources when num_pages > 256K. There will be a single PDE page address (contiguous pages in the case of > PAGE_SIZE), but, current logic assumes multiple pages, leading to invalid memory access after 256K PBL entries in the PDE.
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，该漏洞源于存在Level-2 PBL页面设置错误问题。
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 0c4dcd602817502bb3dced7a834a13ef717d65a4 ~ df6fed0a2a1a5e57f033bca40dc316b18e0d0ce6 -
Linux Linux 5.7 -

II. Public POCs for CVE-2024-50208

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III. Intelligence Information for CVE-2024-50208

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Patches & Fixes for CVE-2024-50208 (4)

Same Patch Batch · Linux · 2024-11-08 · 38 CVEs total

CVE-2024-50206 9.8 CRITICAL net: ethernet: mtk_eth_soc: fix memory corruption during fq dma init
CVE-2024-50185 8.2 HIGH mptcp: handle consistently DSS corruption
CVE-2024-50174 7.8 HIGH drm/panthor: Fix race when converting group handle to group object
CVE-2024-50211 7.8 HIGH udf: refactor inode_bmap() to handle error
CVE-2024-50207 7.8 HIGH ring-buffer: Fix reader locking when changing the sub buffer order
CVE-2024-50203 7.8 HIGH bpf, arm64: Fix address emission with tag-based KASAN enabled
CVE-2024-50200 7.8 HIGH maple_tree: correct tree corruption on spanning store
CVE-2024-50189 7.8 HIGH HID: amd_sfh: Switch to device-managed dmam_alloc_coherent()
CVE-2024-50188 7.8 HIGH net: phy: dp83869: fix memory corruption when enabling fiber
CVE-2024-50187 7.8 HIGH drm/vc4: Stop the active perfmon before being destroyed
CVE-2024-50186 7.8 HIGH net: explicitly clear the sk pointer, when pf->create fails
CVE-2024-50173 7.8 HIGH drm/panthor: Fix access to uninitialized variable in tick_ctx_cleanup()
CVE-2024-50175 7.8 HIGH media: qcom: camss: Remove use_count guard in stop_streaming
CVE-2024-50182 7.1 HIGH secretmem: disable memfd_secret() if arch cannot set direct map
CVE-2024-50195 7.1 HIGH posix-clock: Fix missing timespec64 check in pc_clock_settime()
CVE-2024-50198 iio: light: veml6030: fix IIO device retrieval from embedded device
CVE-2024-50210 posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime()
CVE-2024-50209 RDMA/bnxt_re: Add a check for memory allocation
CVE-2024-50176 remoteproc: k3-r5: Fix error handling when power-up failed
CVE-2024-50205 ALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()

Showing top 20 of 38 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-50208

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