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CVE ID: | CVE-2020-9391 |
Description: | An issue was discovered in the Linux kernel 5.4 and 5.5 through 5.5.6 on the AArch64 architecture. It ignores the top byte in the address passed to the brk system call, potentially moving the memory break downwards when the application expects it to move upwards, aka CID- dcde237319e6. This has been observed to cause heap corruption with the GNU C Library malloc implementation. |
Test IDs: | 1.3.6.1.4.1.25623.1.0.877532 1.3.6.1.4.1.25623.1.0.877535 |
Cross References: |
Common Vulnerability Exposure (CVE) ID: CVE-2020-9391 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O4LH35HOPBJIKYHYFXMBBM75DN75PZHZ/ https://bugzilla.redhat.com/show_bug.cgi?id=1797052 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dcde237319e626d1ec3c9d8b7613032f0fd4663a http://www.openwall.com/lists/oss-security/2020/02/25/6 |