CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
5.1%
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
Vendor | Product | Version | CPE |
---|---|---|---|
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/f2fs/extent_cache.c"
],
"versions": [
{
"version": "1da177e4c3f4",
"lessThan": "dd83a9763e29",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "ff85a1dbd90d",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "557e85ff9afe",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "72009139a661",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "2c129e868992",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "1c38cdc747f0",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "df9d44b645b8",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/f2fs/extent_cache.c"
],
"versions": [
{
"version": "4.14.304",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.19.271",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.4.230",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.165",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.90",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.1.8",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.2",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/1c38cdc747f00daf7394535eae5afc4c503c59bb
git.kernel.org/stable/c/2c129e868992621a739bdd57a5bffa3985ef1b91
git.kernel.org/stable/c/557e85ff9afef6d45020b6f09357111d38033c31
git.kernel.org/stable/c/72009139a661ade5cb1da4239734ed02fa1cfff0
git.kernel.org/stable/c/dd83a9763e29ed7a21c8a43f7a62cd0a6bf74692
git.kernel.org/stable/c/df9d44b645b83fffccfb4e28c1f93376585fdec8
git.kernel.org/stable/c/ff85a1dbd90d29f73033177ff8d8de4a27d9721c