CVE-2023-52696

powerpc/powernv: Add a null pointer check in opal_powercap_init()

HIGH

7.5

CVSS Score

Published: May 17, 2024 at 02:27 PM UTC

Updated: June 17, 2026 at 06:43 AM UTC

2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity

HIGH7.5

Exploit prediction

EPSS 0.8%

SSVC

No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_powercap_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.

Affected

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

Debian Linux · Debiandrupal

95%

10.0

Linux Kernel · Linux

95%

4.20 ≤ v < 5.10.2094.20 ≤ v < 5.15.1484.20 ≤ v < 5.4.2684.20 ≤ v < 6.1.754.20 ≤ v < 6.6.144.20 ≤ v < 6.7.24.20 ≤ v < 6.85.11 ≤ v < 5.15.1485.16 ≤ v < 6.1.755.5 ≤ v < 5.10.2096.2 ≤ v < 6.6.146.7 ≤ v < 6.7.24.2.0 4.20b9ef7b4b867fb9ef7b4b867f56114bedbe6bf104cfaba0ca818e

Vendor states this is fixed in 69f95c5e9220 (fixed)

Vendor states this is fixed in 69f95c5e9220f77ce7c540686b056c2b49e9a664 (fixed)

Vendor states this is fixed in 6b58d1603721 (fixed)

Vendor states this is fixed in 6b58d16037217d0c64a2a09b655f370403ec7219 (fixed)

Vendor states this is fixed in 9da4a56dd377 (fixed)

Vendor states this is fixed in 9da4a56dd3772570512ca58aa8832b052ae910dc (fixed)

Vendor states this is fixed in a67a04ad05ac (fixed)

Vendor states this is fixed in a67a04ad05acb56640798625e73fa54d6d41cce1 (fixed)

Vendor states this is fixed in b02ecc35d01a (fixed)

Vendor states this is fixed in b02ecc35d01a76b4235e008d2dd292895b28ecab (fixed)

Vendor states this is fixed in e123015c0ba8 (fixed)

Vendor states this is fixed in e123015c0ba859cf48aa7f89c5016cc6e98e018d (fixed)

Vendor states this is fixed in f152a6bfd187 (fixed)

Vendor states this is fixed in f152a6bfd187f67afeffc9fd68cbe46f51439be0 (fixed)

Vendor states this is fixed in 4.20 (unaffected)

Vendor states this is fixed in 5.10.209 (unaffected)

Vendor states this is fixed in 5.15.148 (unaffected)

Vendor states this is fixed in 5.4.268 (unaffected)

Vendor states this is fixed in 6.1.75 (unaffected)

Vendor states this is fixed in 6.6.14 (unaffected)

Vendor states this is fixed in 6.7.2 (unaffected)

Vendor states this is fixed in 6.8 (unaffected)

Remediation

No guide yet

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

Patch and advisory references