CVE-2023-52686: powerpc/powernv: Add a null pointer check in opal_event_init()
First published: Fri May 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.306 | 4.19.306 |
| redhat/kernel | <5.4.268 | 5.4.268 |
| redhat/kernel | <5.10.209 | 5.10.209 |
| redhat/kernel | <5.15.148 | 5.15.148 |
| redhat/kernel | <6.1.75 | 6.1.75 |
| redhat/kernel | <6.6.14 | 6.6.14 |
| redhat/kernel | <6.7.2 | 6.7.2 |
| redhat/kernel | <6.8 | 6.8 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 6.12.11-1 |
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Reference Links
- https://git.kernel.org/stable/c/8422d179cf46889c15ceff9ede48c5bfa4e7f0b4
- https://git.kernel.org/stable/c/8649829a1dd25199bbf557b2621cedb4bf9b3050
- https://git.kernel.org/stable/c/9a523e1da6d88c2034f946adfa4f74b236c95ca9
- https://git.kernel.org/stable/c/a14c55eb461d630b836f80591d8caf1f74e62877
- https://git.kernel.org/stable/c/c0b111ea786ddcc8be0682612830796ece9436c7
- https://git.kernel.org/stable/c/e08c2e275fa1874de945b87093f925997722ee42
- https://git.kernel.org/stable/c/e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cf
- https://git.kernel.org/stable/c/e93d7cf4c1ddbcd846739e7ad849f955a4f18031
- https://launchpad.net/bugs/cve/CVE-2023-52686
- https://access.redhat.com/security/cve/CVE-2023-52686
- https://lore.kernel.org/linux-cve-announce/2024051752-CVE-2023-52686-4a08@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281312
- https://access.redhat.com/errata/RHSA-2024:4211
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2281311
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52686
- https://nvd.nist.gov/vuln/detail/CVE-2023-52686
- https://security-tracker.debian.org/tracker/CVE-2023-52686
- https://ubuntu.com/security/CVE-2023-52686
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
- https://git.kernel.org/linus/8649829a1dd25199bbf557b2621cedb4bf9b3050
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