CVE-2022-49444
In the Linux kernel, the following vulnerability has been resolved: module: fix [e_shstrndx].sh_size=0 OOB access It is trivial to craft a module to trigger OO…
Impact
In the Linux kernel, the following vulnerability has been resolved: module: fix [e_shstrndx].sh_size=0 OOB access It is trivial to craft a module to trigger OOB access in this line: if (info->secstrings[strhdr->sh_size - 1] != '\0') { BUG: unable to handle page fault for address: ffffc90000aa0fff PGD 100000067 P4D 100000067 PUD 100066067 PMD 10436f067 PTE 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 7 PID: 1215 Comm: insmod Not tainted 5.18.0-rc5-00007-g9bf578647087-dirty #10 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/01/2014 RIP: 0010:load_module+0x19b/0x2391 [rebased patch onto modules-next]
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.4.110 before 5.5 from 5.10.26 before 5.11 from 5.11.3 before 5.15.54 from 5.16 before 5.17.14 from 5.18 before 5.18.3 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/09cb6663618a74fe5572a4931ecbf098832e79ec
- https://git.kernel.org/stable/c/391e982bfa632b8315235d8be9c0a81374c6a19c
- https://git.kernel.org/stable/c/45a76414b6d8b8b39c23fea53b9d20e831ae72a0
- https://git.kernel.org/stable/c/921630e2e5124a04158129a8f22f4b425e61a858