UBUNTU-CVE-2023-3212
A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
02 / AFFECTED SOFTWARE
Affected packages
19 explicit affected versions
27 explicit affected versions
50 explicit affected versions
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5 explicit affected versions
29 explicit affected versions
7 explicit affected versions
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63 explicit affected versions
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37 explicit affected versions
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10 explicit affected versions
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1 explicit affected versions
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63 explicit affected versions
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13 explicit affected versions
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16 explicit affected versions
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26 explicit affected versions
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23 explicit affected versions
11 explicit affected versions
132 explicit affected versions
30 explicit affected versions
3 explicit affected versions
4 explicit affected versions
66 explicit affected versions
36 explicit affected versions
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88 explicit affected versions
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1 explicit affected versions
28 explicit affected versions
81 explicit affected versions
43 explicit affected versions
31 explicit affected versions
111 explicit affected versions
132 explicit affected versions
10 explicit affected versions
8 explicit affected versions
8 explicit affected versions
65 explicit affected versions
4 explicit affected versions
54 explicit affected versions
1 explicit affected versions
35 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/504a10d9e46bc37b23d0a1ae2f28973c8516e636
- https://ubuntu.com/security/CVE-2023-3212
- https://ubuntu.com/security/notices/USN-6231-1
- https://ubuntu.com/security/notices/USN-6339-1
- https://ubuntu.com/security/notices/USN-6339-2
- https://ubuntu.com/security/notices/USN-6339-3
- https://ubuntu.com/security/notices/USN-6339-4
- https://ubuntu.com/security/notices/USN-6350-1
- https://ubuntu.com/security/notices/USN-6351-1
- https://ubuntu.com/security/notices/USN-6388-1
- https://ubuntu.com/security/notices/USN-6396-1
- https://ubuntu.com/security/notices/USN-6396-2
- https://ubuntu.com/security/notices/USN-6396-3
- https://ubuntu.com/security/notices/USN-6412-1
- https://ubuntu.com/security/notices/USN-6417-1
- https://ubuntu.com/security/notices/USN-6466-1
- https://www.cve.org/CVERecord?id=CVE-2023-3212