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Linux » Linux Kernel » 2.5.33 : Security Vulnerabilities Published In April 2019 (Bypass)

Cpe Name:cpe:/o:linux:linux_kernel:2.5.33

2019 : January February March April May June July August September October November December

CVSS Scores Greater Than: 0 1 2 3 4 5 6 7 8 9

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#	CVE ID	CWE ID	# of Exploits	Vulnerability Type(s)	Publish Date	Update Date	Score	Gained Access Level	Access	Complexity	Authentication	Conf.	Integ.	Avail.
1	CVE-2019-11190	362		Bypass	2019-04-11	2019-06-07	4.7	None	Local	Medium	Not required	Complete	None	None
The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.
2	CVE-2019-3901	362		Bypass	2019-04-22	2019-05-28	1.9	None	Local	Medium	Not required	Partial	None	None
A race condition in perf_event_open() allows local attackers to leak sensitive data from setuid programs. As no relevant locks (in particular the cred_guard_mutex) are held during the ptrace_may_access() call, it is possible for the specified target task to perform an execve() syscall with setuid execution before perf_event_alloc() actually attaches to it, allowing an attacker to bypass the ptrace_may_access() check and the perf_event_exit_task(current) call that is performed in install_exec_creds() during privileged execve() calls. This issue affects kernel versions before 4.8.

Total number of vulnerabilities : 2 Page : 1 (This Page)

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