CVE-2022-49444None▾ SunlitIn 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') …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.3%
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]
Linux >= ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 < 09cb6663618a74fe5572a4931ecbf098832e79ecLinux >= ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 < 921630e2e5124a04158129a8f22f4b425e61a858Linux >= ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 < 45a76414b6d8b8b39c23fea53b9d20e831ae72a0Linux >= ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 < 391e982bfa632b8315235d8be9c0a81374c6a19cLinux 05d891e76dde3e430c707dae7d85139794eeadbdLinux d802672c7f00963613f289579073ac519f0d306cLinux 214aa69cac91a723239118bbbfe77d5654ddff6bLinux >= 5.4.110 < 5.5Linux >= 5.10.26 < 5.11Linux >= 5.11.3 < 5.12Linux 5.12Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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