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NVD / CVE Program· CNA Linux

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

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.22% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 7988bdbbb85ac85a847baf09879edcd0f70521dc, 87cb3b0054e53e0155b630bdf8fb714ded62565f, daac56dd98e1ba814c878ac0acd482a37f2ab94b; azl3 kernel 6.6.57.1-7 on Azure Linux 3.0 6.6.64.2-1; azl3 kernel 6.6.64.2-1 on Azure Linux 3.0 6.6.64.2-1.
  • Severity is disputed: the assigning authority (CNA) scores it 7.8, NVD 5.5.

Low priority for now. Upgrade to Linux Linux 7988bdbbb85ac85a847baf09879edcd0f70521dc, 87cb3b0054e53e0155b630bdf8fb714ded62565f, daac56dd98e1ba814c878ac0acd482a37f2ab94b; azl3 kernel 6.6.57.1-7 on Azure Linux 3.0 6.6.64.2-1; azl3 kernel 6.6.64.2-1 on Azure Linux 3.0 6.6.64.2-1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Nov 8, 2024
Updated
Aug 5, 2026
EPSS
0.2% · 13th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
5.5
CNA · Linux
7.8
2.3 point gap

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2024-50208

When you'll hear from us

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  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel5.7 and later · before 5.10.229
  • linux linux kernel5.11 and later · before 5.15.170
  • linux linux kernel5.16 and later · before 6.1.115
  • linux linux kernel6.2 and later · before 6.6.59
  • linux linux kernel6.7 and later · before 6.11.6
  • linux linux kernel6.12

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 5.7affected
    • 0c4dcd602817502bb3dced7a834a13ef717d65a4 and later · before df6fed0a2a1a5e57f033bca40dc316b18e0d0ce6affected · git
    • 0c4dcd602817502bb3dced7a834a13ef717d65a4 and later · before de5857fa7bcc9a496a914c7e21390be873109f26affected · git
    • 0c4dcd602817502bb3dced7a834a13ef717d65a4 and later · before ea701c1849e7250ea41a4f7493e0a5f136c1d47eaffected · git
    • 0c4dcd602817502bb3dced7a834a13ef717d65a4 and later · before 87cb3b0054e53e0155b630bdf8fb714ded62565faffected · git
    • 0c4dcd602817502bb3dced7a834a13ef717d65a4 and later · before daac56dd98e1ba814c878ac0acd482a37f2ab94baffected · git
    • 0c4dcd602817502bb3dced7a834a13ef717d65a4 and later · before 7988bdbbb85ac85a847baf09879edcd0f70521dcaffected · git
    • before 5.7not affected · semver
    • 5.10.229 and later · up to and including 5.10.*not affected · semver
    • 5.15.170 and later · up to and including 5.15.*not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
AlmaLinux:9bpftoolbefore 7.4.0-503.21.1.el9_57.4.0-503.21.1.el9_5
AlmaLinux:9kernelbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64kbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-corebefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-debugbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-debug-corebefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-debug-develbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-debug-devel-matchedbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-debug-modulesbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-debug-modules-corebefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-debug-modules-extrabefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-develbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-devel-matchedbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-modulesbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-modules-corebefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-64k-modules-extrabefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-abi-stablelistsbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-corebefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-cross-headersbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-debugbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-debug-corebefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-debug-develbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-debug-devel-matchedbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5
AlmaLinux:9kernel-debug-modulesbefore 5.14.0-503.21.1.el9_55.14.0-503.21.1.el9_5

+96

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
    90Now
  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now

Published before and after this one in the same product

  • ← EarlierCVE-2024-50206Nov 8, 2024 · net: ethernet: mtk_eth_soc: fix memory corruption during fq dma init
    22Monitor
  • ← EarlierCVE-2024-50207Nov 8, 2024 · ring-buffer: Fix reader locking when changing the sub buffer order
    22Monitor
  • Later →CVE-2024-50209Nov 8, 2024 · RDMA/bnxt_re: Add a check for memory allocation
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux7988bdbbb85ac85a847baf09879edcd0f70521dcVendor (CNA)
Linux Linux87cb3b0054e53e0155b630bdf8fb714ded62565fVendor (CNA)
Linux Linuxdaac56dd98e1ba814c878ac0acd482a37f2ab94bVendor (CNA)
Linux Linuxde5857fa7bcc9a496a914c7e21390be873109f26Vendor (CNA)
Linux Linuxdf6fed0a2a1a5e57f033bca40dc316b18e0d0ce6Vendor (CNA)
Linux Linuxea701c1849e7250ea41a4f7493e0a5f136c1d47eVendor (CNA)
azl3 kernel 6.6.57.1-7 on Azure Linux 3.06.6.64.2-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
azl3 kernel 6.6.64.2-1 on Azure Linux 3.06.6.64.2-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.167.1-2 on CBL Mariner 2.05.15.173.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.167.1-2 on CBL-Mariner 2.05.15.173.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.173.1-1 on CBL Mariner 2.05.15.173.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
almalinux:bpftool7.4.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-core5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-core5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-devel5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-devel-matched5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules-core5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules-extra5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-devel5.14.0-503.21.1.el9_5 · AlmaLinux:9Package registry (OSV)
debian:linux6.1.115-1 · Debian:12Package registry (OSV)
red hat:bpftool-debuginfo0:7.4.0-503.21.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-debuginfo0:5.14.0-503.21.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel0:5.14.0-503.21.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel-matched0:5.14.0-503.21.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debuginfo0:5.14.0-503.21.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-devel0:5.14.0-503.21.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)

+18

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-125 · Out-of-bounds Read

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records