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CVE-2021-47614

RDMA/irdma: Fix a user-after-free in add_pble_prm

HIGH
7.8
CVSS Score
Published: June 19, 2024 at 02:58 PM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix a user-after-free in add_pble_prm When irdma_hmc_sd_one fails, 'chunk' is freed while its still on the PBLE info list. Add the chunk entry to the PBLE info list only after successful setting of the SD in irdma_hmc_sd_one.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.14 ≤ v < 5.15.105.14 ≤ v < 5.165.14e8c4dbc2fcacf5a7468d312168bb120c27c38b32
Vendor states this is fixed in 11eebcf63e98fcf047a876a51d76afdabc3b8b9b (fixed)
Vendor states this is fixed in 1e11a39a82e95ce86f849f40dda0d9c0498cebd9 (fixed)
Vendor states this is fixed in 5.14 (unaffected)
Vendor states this is fixed in 5.15.10 (unaffected)
Vendor states this is fixed in 5.16 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/11eebcf63e98fcf047a876a51d76afdabc3b8b9b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1e11a39a82e95ce86f849f40dda0d9c0498cebd9

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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