CVE-2022-50380
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: /proc/pid/smaps_rollup: fix no vma's null-deref
Commit 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value seq_file") introduced a null-deref if there are no vma's in the task in show_smaps_rollup.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 258f669e7e88c18edbc23fe5ce00a476b924551f < dbe863bce7679c7f5ec0e993d834fe16c5e687b5 | affected |
| Linux | Linux | 258f669e7e88c18edbc23fe5ce00a476b924551f < 6bb8769326c46db3058780c0640dcc49d8187b24 | affected |
| Linux | Linux | 258f669e7e88c18edbc23fe5ce00a476b924551f < a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4 | affected |
| Linux | Linux | 258f669e7e88c18edbc23fe5ce00a476b924551f < 33fc9e26b7cb39f0d4219c875a2451802249c225 | affected |
| Linux | Linux | 258f669e7e88c18edbc23fe5ce00a476b924551f < 97898139ca9b81ba9322a585e07490983c53b55a | affected |
| Linux | Linux | 258f669e7e88c18edbc23fe5ce00a476b924551f < c4c84f06285e48f80e9843d0775ad92714ffc35a | affected |
| Linux | Linux | 4.19 | affected |
| Linux | Linux | 0 < 4.19 | unaffected |
| Linux | Linux | 4.19.264 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.221 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.152 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.76 <= 5.15.* | unaffected |
| Linux | Linux | 6.0.6 <= 6.0.* | unaffected |
| Linux | Linux | 6.1 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://git.kernel.org/stable/c/dbe863bce7679c7f5ec0e993d834fe16c5e687b5
- https://git.kernel.org/stable/c/6bb8769326c46db3058780c0640dcc49d8187b24
- https://git.kernel.org/stable/c/a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4
- https://git.kernel.org/stable/c/33fc9e26b7cb39f0d4219c875a2451802249c225
- https://git.kernel.org/stable/c/97898139ca9b81ba9322a585e07490983c53b55a
- https://git.kernel.org/stable/c/c4c84f06285e48f80e9843d0775ad92714ffc35a
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