CVE-2022-48877

MEDIUM EPSS 15.0%
Published Aug 21, 20241y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Aug 21, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: let's avoid panic if extent_tree is not created This patch avoids the below panic. pc : __lookup_extent_tree+0xd8/0x760 lr : f2fs_do_write_data_page+0x104/0x87c sp : ffffffc010cbb3c0 x29: ffffffc010cbb3e0 x28: 0000000000000000 x27: ffffff8803e7f020 x26: ffffff8803e7ed40 x25: ffffff8803e7f020 x24: ffffffc010cbb460 x23: ffffffc010cbb480 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffff22e90900 x19: 0000000000000000 x18: ffffffc010c5d080 x17: 0000000000000000 x16: 0000000000000020 x15: ffffffdb1acdbb88 x14: ffffff888759e2b0 x13: 0000000000000000 x12: ffffff802da49000 x11: 000000000a001200 x10: ffffff8803e7ed40 x9 : ffffff8023195800 x8 : ffffff802da49078 x7 : 0000000000000001 x6 : 0000000000000000 x5 : 0000000000000006 x4 : ffffffc010cbba28 x3 : 0000000000000000 x2 : ffffffc010cbb480 x1 : 0000000000000000 x0 : ffffff8803e7ed40 Call trace: __lookup_extent_tree+0xd8/0x760 f2fs_do_write_data_page+0x104/0x87c f2fs_write_single_data_page+0x420/0xb60 f2fs_write_cache_pages+0x418/0xb1c __f2fs_write_data_pages+0x428/0x58c f2fs_write_data_pages+0x30/0x40 do_writepages+0x88/0x190 __writeback_single_inode+0x48/0x448 writeback_sb_inodes+0x468/0x9e8 __writeback_inodes_wb+0xb8/0x2a4 wb_writeback+0x33c/0x740 wb_do_writeback+0x2b4/0x400 wb_workfn+0xe4/0x34c process_one_work+0x24c/0x5bc worker_thread+0x3e8/0xa50 kthread+0x150/0x1b4

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
15.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel* <4.14.304
linuxlinux_kernel*≥4.15  –  <4.19.271
linuxlinux_kernel*≥4.20  –  <5.4.230
linuxlinux_kernel*≥5.5  –  <5.10.165
linuxlinux_kernel*≥5.11  –  <5.15.90
linuxlinux_kernel*≥5.16  –  <6.1.8

References 7

  • git.kernel.org https://git.kernel.org/stable/c/1c38cdc747f00daf7394535eae5afc4c503c59bb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2c129e868992621a739bdd57a5bffa3985ef1b91
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/557e85ff9afef6d45020b6f09357111d38033c31
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/72009139a661ade5cb1da4239734ed02fa1cfff0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dd83a9763e29ed7a21c8a43f7a62cd0a6bf74692
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/df9d44b645b83fffccfb4e28c1f93376585fdec8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ff85a1dbd90d29f73033177ff8d8de4a27d9721c
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1c38cdc747f00daf7394535eae5afc4c503c59bb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2c129e868992621a739bdd57a5bffa3985ef1b91
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/557e85ff9afef6d45020b6f09357111d38033c31
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/72009139a661ade5cb1da4239734ed02fa1cfff0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dd83a9763e29ed7a21c8a43f7a62cd0a6bf74692
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/df9d44b645b83fffccfb4e28c1f93376585fdec8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ff85a1dbd90d29f73033177ff8d8de4a27d9721c
    Patch