Crash in _unix_verify_password

Similar reports
Problem #5397
Component
openssh
Last affected version
0:7.4p1-21.el7
Executable
/usr/sbin/sshd
Error name
SIGSEGV 11
First occurrence
2024-01-17
Last occurrence
2025-06-15
Unique reports
18
Quality
-20

Statistics

Operating system Unique / Total count
CentOS 7 18 / 660,349
Operating system Count
CentOS 7 660,349
Architecture Count
x86_64 660,349
Related packages Count
libcom_err 660,349
 0:1.42.9-19.el7 660,349
xz-libs 660,349
 0:5.2.2-1.el7 660,349
cracklib 660,349
 0:2.9.0-11.el7 660,349
Show more… (31)
cyrus-sasl-lib 660,349
 0:2.1.26-23.el7 660,349
glibc 660,349
 0:2.17-323.el7_9 660,349
libpwquality 660,349
 0:1.2.3-5.el7 660,349
libcap 660,349
 0:2.22-11.el7 660,349
fipscheck-lib 660,349
 0:1.4.1-6.el7 660,349
nspr 660,349
 0:4.25.0-2.el7_9 660,349
tcp_wrappers-libs 660,349
 0:7.6-77.el7 660,349
bzip2-libs 660,349
 0:1.0.6-13.el7 660,349
nss-softokn-freebl 660,349
 0:3.53.1-6.el7_9 660,349
libselinux 660,349
 0:2.5-15.el7 660,349
systemd-libs 660,349
 0:219-78.el7_9.3 660,349
lz4 660,349
 0:1.8.3-1.el7 660,349
zlib 660,349
 0:1.2.7-19.el7_9 635,412
 0:1.2.7-21.el7_9 24,937
sssd-client 660,349
 0:1.16.5-10.el7_9.7 660,349
elfutils-libs 660,349
 0:0.176-5.el7 660,349
openssl-libs 660,349
 1:1.0.2k-21.el7_9 635,412
 1:1.0.2k-26.el7_9 24,937
krb5-libs 660,349
 0:1.15.1-50.el7 660,349
audit-libs 660,349
 0:2.8.5-4.el7 660,349
keyutils-libs 660,349
 0:1.5.8-3.el7 660,349
libcap-ng 660,349
 0:0.7.5-4.el7 660,349
elfutils-libelf 660,349
 0:0.176-5.el7 660,349
libgcc 660,349
 0:4.8.5-44.el7 660,349
nss 660,349
 0:3.53.1-3.el7_9 660,349
libgcrypt 660,349
 0:1.5.3-14.el7 660,349
nss-util 660,349
 0:3.53.1-1.el7_9 660,349
openldap 660,349
 0:2.4.44-22.el7 660,349
libgpg-error 660,349
 0:1.12-3.el7 660,349
openssh-server 660,349
 0:7.4p1-21.el7 660,349
pam 660,349
 0:1.1.8-23.el7 660,349
pcre 660,349
 0:8.32-17.el7 660,349
libattr 660,349
 0:2.4.46-13.el7 660,349

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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Backtrace

Frame # Function Binary Source or offset Line
1
_unix_verify_password
/usr/lib64/security/pam_unix.so 0x665e
Build id: e08170f83ce5df8e641ddcdcdf51ce0a8e0f59df 		-
2
pam_sm_authenticate
/usr/lib64/security/pam_unix.so 0x3565
Build id: e08170f83ce5df8e641ddcdcdf51ce0a8e0f59df 		-
3
_pam_dispatch
/lib64/libpam.so.0 0x2f0a
Build id: d908e2ffa0016fc4601c0de7c07f725c5d4c98d4 		-
4
pam_authenticate
/lib64/libpam.so.0 0x27d0
Build id: d908e2ffa0016fc4601c0de7c07f725c5d4c98d4 		-
5
sshpam_auth_passwd
/usr/sbin/sshd 0x340f0
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
6
auth_password
/usr/sbin/sshd 0x117db
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
7
mm_answer_authpassword
/usr/sbin/sshd 0x27c02
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
8
monitor_read
/usr/sbin/sshd 0x2a439
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
9
monitor_child_preauth
/usr/sbin/sshd 0x2abac
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
10
main
/usr/sbin/sshd 0xf2d4
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-