CVE-2024-44969: s390/sclp: Prevent release of buffer in I/O
First published: Wed Sep 04 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: s390/sclp: Prevent release of buffer in I/O When a task waiting for completion of a Store Data operation is interrupted, an attempt is made to halt this operation. If this attempt fails due to a hardware or firmware problem, there is a chance that the SCLP facility might store data into buffers referenced by the original operation at a later time. Handle this situation by not releasing the referenced data buffers if the halt attempt fails. For current use cases, this might result in a leak of few pages of memory in case of a rare hardware/firmware malfunction.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <4.19.320 | |
| Linux Linux kernel | >=4.20<5.4.282 | |
| Linux Linux kernel | >=5.5<5.10.224 | |
| Linux Linux kernel | >=5.11<5.15.165 | |
| Linux Linux kernel | >=5.16<6.1.105 | |
| Linux Linux kernel | >=6.2<6.6.46 | |
| Linux Linux kernel | >=6.7<6.10.5 | |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.115-1 6.1.112-1 6.11.9-1 6.11.10-1 |
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Reference Links
- https://git.kernel.org/stable/c/7a7e60ed23d471a07dbbe72565d2992ee8244bbe
- https://git.kernel.org/stable/c/1ec5ea9e25f582fd6999393e2f2c3bf56f234e05
- https://git.kernel.org/stable/c/a3e52a4c22c846858a6875e1c280030a3849e148
- https://git.kernel.org/stable/c/a88a49473c94ccfd8dce1e766aacf3c627278463
- https://git.kernel.org/stable/c/46f67233b011385d53cf14d272431755de3a7c79
- https://git.kernel.org/stable/c/1e8b7fb427af6b2ddd54eff66a6b428a81c96633
- https://git.kernel.org/stable/c/2429ea3b4330e3653b72b210a0d5f2a717359506
- https://git.kernel.org/stable/c/bf365071ea92b9579d5a272679b74052a5643e35
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-44969
- https://nvd.nist.gov/vuln/detail/CVE-2024-44969
- https://launchpad.net/bugs/cve/CVE-2024-44969
- https://security-tracker.debian.org/tracker/CVE-2024-44969
- https://ubuntu.com/security/CVE-2024-44969
- https://git.kernel.org/linus/bf365071ea92b9579d5a272679b74052a5643e35
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