ID CVE-2019-19318
Summary In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags returns an already freed pointer,
References
Vulnerable Configurations
  • cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.3.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.3.11:*:*:*:*:*:*:*
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
    cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
CVSS
Base: 2.1 (as of 29-07-2020 - 19:15)
Impact:
Exploitability:
CWE CWE-416
CAPEC
Access
VectorComplexityAuthentication
LOCAL LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:L/AC:L/Au:N/C:N/I:N/A:P
refmap via4
confirm https://security.netapp.com/advisory/ntap-20200103-0001/
misc https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19318
suse openSUSE-SU-2020:0336
ubuntu USN-4414-1
Last major update 29-07-2020 - 19:15
Published 28-11-2019 - 00:15
Last modified 29-07-2020 - 19:15
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