Kernel: race between task migrating pages and another task calling exit_mmap to release those same pages getting invalid opcode bug in include/linux/swapops.h
CVSS score
4.7
EPSS probability
—
Risk score
0.5
Published
3 y ago
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Vulnerability description
DayBreach CVE AI Research
CVE-2023-4732 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2023-4732 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Red Hat | Red Hat Enterprise Linux 8 | View |
| 2 | Red Hat | Red Hat Enterprise Linux 8 | View |
| 3 | Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | View |
| 4 | Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | View |
| 5 | Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | View |
| 6 | Red Hat | Red Hat Enterprise Linux 6 | View |
| 7 | Red Hat | Red Hat Enterprise Linux 7 | View |
| 8 | Red Hat | Red Hat Enterprise Linux 9 | View |
| 9 | linux | linux kernel | View |
| 10 | redhat | codeready linux builder | View |
| 11 | redhat | codeready linux builder for arm64 | View |
| 12 | redhat | codeready linux builder for power little endian | View |
| 13 | redhat | enterprise linux | View |
| 14 | redhat | enterprise linux for arm 64 | View |
| 15 | redhat | enterprise linux for ibm z systems | View |
| 16 | redhat | enterprise linux for power little endian | View |
| 17 | redhat | enterprise linux for real time | View |
| 18 | redhat | enterprise linux for real time for nfv | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 4.7 | CVSS V31 | MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD |
| 4.7 | CVSS V3_1 | MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H | CVE CNA |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-4732 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-4732 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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