CVE-2023-0597: Infoleak
First published: Fri Oct 07 2022(Updated: )
A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | =6.2-rc1 | |
| IBM QRadar SIEM | <=7.5 - 7.5.0 UP8 IF01 | |
| redhat/Linux kernel | <6.2 | 6.2 |
| debian/linux | <=5.10.223-1<=5.10.226-1<=6.1.123-1<=6.1.119-1 | 6.12.9-1 6.12.10-1 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2023-0597 https://nvd.nist.gov/vuln/detail/CVE-2023-0597 https://lore.kernel.org/lkml/Yz%2FmfJ1gjgshF19t@hirez.programming.kicks-ass.net/
- https://bugzilla.redhat.com/show_bug.cgi?id=2165926
- https://access.redhat.com/security/cve/CVE-2023-0597
- http://www.openwall.com/lists/oss-security/2023/07/28/1
- https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80
- https://launchpad.net/bugs/cve/CVE-2023-0597
- https://exchange.xforce.ibmcloud.com/vulnerabilities/248430
- https://www.ibm.com/support/pages/node/7150684 (Advisory)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0597
- https://nvd.nist.gov/vuln/detail/CVE-2023-0597
- https://security-tracker.debian.org/tracker/CVE-2023-0597
- https://ubuntu.com/security/CVE-2023-0597
- https://gruss.cc/files/prefetch.pdf
- https://lore.kernel.org/lkml/Yz%2FmfJ1gjgshF19t@hirez.programming.kicks-ass.net/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/x86/mm/cpu_entry_area.c?h=v6.2-rc6&id=97e3d26b5e5f371b3ee223d94dd123e6c442ba80
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2165927
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/errata/RHSA-2023:6901
- https://access.redhat.com/errata/RHSA-2023:7077
- https://access.redhat.com/errata/RHSA-2024:1188
- https://access.redhat.com/errata/RHSA-2024:10262
- https://access.redhat.com/errata/RHSA-2024:10773
- https://access.redhat.com/errata/RHSA-2024:10772
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