Vulnerability Details : CVE-2022-45886
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2022-45886
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-45886
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2022-45886
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The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.Assigned by: nvd@nist.gov (Primary)
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Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-45886
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https://lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel%40gmail.com/
[PATCH 0/4] Fix multiple race condition vulnerabilities in dvb-core and device driver - imv4belMailing List;Patch;Third Party Advisory
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https://lore.kernel.org/linux-media/20221115131822.6640-3-imv4bel@gmail.com/
[PATCH 2/4] media: dvb-core: Fix use-after-free due to race condition occurring in dvb_net - imv4belExploit;Patch;Vendor Advisory
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https://lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel@gmail.com/
[PATCH 0/4] Fix multiple race condition vulnerabilities in dvb-core and device driver - imv4belExploit;Patch;Vendor Advisory
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https://lore.kernel.org/linux-media/20221115131822.6640-3-imv4bel%40gmail.com/
[PATCH 2/4] media: dvb-core: Fix use-after-free due to race condition occurring in dvb_net - imv4belPatch;Third Party Advisory;URL Repurposed
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https://security.netapp.com/advisory/ntap-20230113-0006/
November 2022 Linux Kernel 6.0.9 Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4172385b0c9ac366dcab78eda48c26814b87ed1a
media: dvb-core: Fix use-after-free due on race condition at dvb_net - kernel/git/torvalds/linux.git - Linux kernel source tree
Products affected by CVE-2022-45886
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*