// For flags

CVE-2022-48877

f2fs: let's avoid panic if extent_tree is not created

Severity Score

"-"
*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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

*Credits: N/A
CVSS Scores
Attack Vector
-
Attack Complexity
-
Privileges Required
-
User Interaction
-
Scope
-
Confidentiality
-
Integrity
-
Availability
-
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-07-16 CVE Reserved
  • 2024-08-21 CVE Published
  • 2024-09-06 EPSS Updated
  • 2024-11-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 < 4.14.304
Search vendor "Linux" for product "Linux Kernel" and version " < 4.14.304"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 < 4.19.271
Search vendor "Linux" for product "Linux Kernel" and version " < 4.19.271"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 < 5.4.230
Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.230"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 < 5.10.165
Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.165"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 < 5.15.90
Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.90"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 < 6.1.8
Search vendor "Linux" for product "Linux Kernel" and version " < 6.1.8"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 < 6.2
Search vendor "Linux" for product "Linux Kernel" and version " < 6.2"
en
Affected