Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm #44
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jira VULN-210 cve CVE-2022-42896 commit-author Luiz Augusto von Dentz <[email protected]> commit f937b75 l2cap_global_chan_by_psm shall not return fixed channels as they are not meant to be connected by (S)PSM. Signed-off-by: Luiz Augusto von Dentz <[email protected]> Reviewed-by: Tedd Ho-Jeong An <[email protected]> (cherry picked from commit f937b75) Signed-off-by: Marcin Wcisło <[email protected]>
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CVE-2022-42896, VULN-210
Solution
The bug fix in the mainline is provided in two commits:
f937b758a188d6fd328a81367087eddbb2fce50f711f8c3fb3db61897080468586b970c87c61d9e4Of these the
711f8c3is already applied onciqlts9_2.(Same situation as in #41)
Build
Kernel built on Rocky 9 machine with
from the https://gitlab.conclusive.pl/devices/rocky-patching project.
kABI check: passed
kABI ran on the build machine with
for the
/mnt/code/kernel-dist-gitrepo in the state ofcommit hash
d55abe03912e1cf92944e3aaaefc89402923eda3.Boot test: passed
Logs boot-test.log for the kernel booted with
from within the
rocky-patchingproject.Kselftests: passed
Kselftests ran with
and prepared with
Results:
kselftests-patch–ciqlts9_2-CVE-2022-42896.zip
Flat text file form:
kselftests-patch–ciqlts9_2-CVE-2022-42896.log
Reference results of the tests ran on
ciqlts9_2(c566432b9c6923174f979ee0811749d1b4045d9f):kselftests-reference–ciqlts9_2.zip
Flat text file form:
kselftests-reference–ciqlts9_2.log
Comparison:
comparison-patch-reference.csv
Summary: all test cases have the same results as the reference. Tests
bpf:test_progs,bpf:test_progs-no_alu32,net:fib_tests.sh,net:rps_default_mask.sh,netfilter:conntrack_tcp_unreplied.sh,netfilter:nft_flowtable.sh,netfilter:nft_nat.sh,tc-testing:tdc.shfail in both reference and patched kernel version. To be investigated on demand.Additional tests: none
Following the guidelines from the precedent #41.