CVE-2007-4573 is a privilege escalation vulnerability affecting the IA32 system call emulation in Linux kernel versions 2.4.x and 2.6.x before 2.6.22.7 on x86_64 architectures. The flaw stems from the eax register not being zero-extended after a 32-bit entry path to ptrace, potentially leading to an out-of-bounds access to the system call table. With a CVSS score of 7.2, this vulnerability is considered high severity, allowing local attackers to gain full control over the system with low attack complexity. While not listed on the KEV catalog, public exploit code exists on ExploitDB, indicating its exploitability, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.4.35CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:x86_64:*:*:*:*:* | ||
<= 2.6.22.6CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:x86_64:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C
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