Medium severity · published Nov 23, 2022
CVE-2022-42895
Info Leak in l2cap_core in the Linux Kernel
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely.
We recommend upgrading past commit https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
3.0.0 through b1a2cd50c0357f243b7435a732b4e62ba3157a2e · source: vendor, NVD
SS
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · Siemens
before V1.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-42895
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-42895
Patch
https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e
Patch
https://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
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