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CVE

CVE-2026-72495

RDMA/bnxt_re: Avoid repeated requests to allocate WC pages
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CVE

CVE-2026-72495

RDMA/bnxt_re: Avoid repeated requests to allocate WC pages

In the Linux kernel, the following vulnerability has been resolved:

RDMA/bnxt_re: Avoid repeated requests to allocate WC pages

Applications can request multiple WC pages for the same ucontext.

As of now, only 1 WC page per ucontext is supported. Add a lock to

avoid concurrent access and a check to fail repeated requests.

Also, if the mmap entry insert fails for the WC, free the Doorbell

page index mapped for the WC page.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://git.kernel.org/stable/c/441baa79043431807115fd030d7d0bb14ed441a0, https://git.kernel.org/stable/c/478c4d24193fe3e6aa2accd4874ae43000e4a217, https://git.kernel.org/stable/c/da406b8b49c1dfe661a497483940d7ee781430db, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72495.json, https://nvd.nist.gov/vuln/detail/CVE-2026-72495, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Severity

9.3

CVSS Score
0
10

Basic Information

Base CVSS
9.3
EPSS Probability
0.00178%
EPSS Percentile
0.07373%
Introduced Version
360da60d6c6edb9740de7a8e6d8969d62ceff956,6.5.0,6.19.0,0
Fix Available
441baa79043431807115fd030d7d0bb14ed441a0,6.18.40,7.1.5

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