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:
mptcp: Correctly set DATA_FIN timeout when number of retransmits is large
Syzkaller with UBSAN uncovered a scenario where a large number of
DATA_FIN retransmits caused a shift-out-of-bounds in the DATA_FIN
timeout calculation:
This change limits the maximum timeout by limiting the size of the
shift, which keeps all intermediate values in-bounds.
Vendor | Product | Version | CPE |
---|---|---|---|
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
linux | linux_kernel | 5.17 | cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* |
linux | linux_kernel | 5.17 | cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:* |
linux | linux_kernel | 5.17 | cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:* |
linux | linux_kernel | 5.17 | cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:* |
linux | linux_kernel | 5.17 | cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:* |
linux | linux_kernel | 5.17 | cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:* |
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/mptcp/protocol.c"
],
"versions": [
{
"version": "6477dd39e62c",
"lessThan": "0c3f34beb459",
"status": "affected",
"versionType": "git"
},
{
"version": "6477dd39e62c",
"lessThan": "03ae283bd71f",
"status": "affected",
"versionType": "git"
},
{
"version": "6477dd39e62c",
"lessThan": "877d11f0332c",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/mptcp/protocol.c"
],
"versions": [
{
"version": "5.13",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.13",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.27",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.16.13",
"lessThanOrEqual": "5.16.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.17",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]