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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-49444

module: fix [e_shstrndx].sh_size=0 OOB access

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 to < 09cb6663618a74fe5572a4931ecbf098832e79ecaffected
  • ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 to < 921630e2e5124a04158129a8f22f4b425e61a858affected
  • ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 to < 45a76414b6d8b8b39c23fea53b9d20e831ae72a0affected
  • ec2a29593c83ed71a7f16e3243941ebfcf75fdf6 to < 391e982bfa632b8315235d8be9c0a81374c6a19caffected
  • 05d891e76dde3e430c707dae7d85139794eeadbdaffected
  • d802672c7f00963613f289579073ac519f0d306caffected
  • 214aa69cac91a723239118bbbfe77d5654ddff6baffected
  • 5.4.110 to < 5.5affected
  • 5.10.26 to < 5.11affected
  • 5.11.3 to < 5.12affected

Linux Linux

Default version status: affected

  • 5.12affected
  • 0 to < 5.12unaffected
  • 5.15.54 to ≤ 5.15.*unaffected
  • 5.17.14 to ≤ 5.17.*unaffected
  • 5.18.3 to ≤ 5.18.*unaffected
  • 5.19 to ≤ *unaffected

References