AI Score
Confidence
Low
EPSS
Percentile
5.1%
SSVC
Exploitation
none
Automatable
no
Technical Impact
partial
In the Linux kernel, the following vulnerability has been resolved:
sched/membarrier: reduce the ability to hammer on sys_membarrier
On some systems, sys_membarrier can be very expensive, causing overall
slowdowns for everything. So put a lock on the path in order to
serialize the accesses to prevent the ability for this to be called at
too high of a frequency and saturate the machine.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "22e4ebb97582",
"lessThan": "3cd139875e9a",
"versionType": "git"
},
{
"status": "affected",
"version": "22e4ebb97582",
"lessThan": "2441a64070b8",
"versionType": "git"
},
{
"status": "affected",
"version": "22e4ebb97582",
"lessThan": "db896bbe4a9c",
"versionType": "git"
},
{
"status": "affected",
"version": "22e4ebb97582",
"lessThan": "50fb4e17df31",
"versionType": "git"
},
{
"status": "affected",
"version": "22e4ebb97582",
"lessThan": "24ec7504a08a",
"versionType": "git"
},
{
"status": "affected",
"version": "22e4ebb97582",
"lessThan": "b6a2a9cbb675",
"versionType": "git"
},
{
"status": "affected",
"version": "22e4ebb97582",
"lessThan": "c5b2063c65d0",
"versionType": "git"
},
{
"status": "affected",
"version": "22e4ebb97582",
"lessThan": "944d5fe50f3f",
"versionType": "git"
}
],
"programFiles": [
"kernel/sched/membarrier.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.14"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.14",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "4.19.307",
"versionType": "custom",
"lessThanOrEqual": "4.19.*"
},
{
"status": "unaffected",
"version": "5.4.269",
"versionType": "custom",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.210",
"versionType": "custom",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.149",
"versionType": "custom",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.79",
"versionType": "custom",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.18",
"versionType": "custom",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.7.6",
"versionType": "custom",
"lessThanOrEqual": "6.7.*"
},
{
"status": "unaffected",
"version": "6.8",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"kernel/sched/membarrier.c"
],
"defaultStatus": "affected"
}
]
git.kernel.org/stable/c/2441a64070b85c14eecc3728cc87e883f953f265
git.kernel.org/stable/c/24ec7504a08a67247fbe798d1de995208a8c128a
git.kernel.org/stable/c/3cd139875e9a7688b3fc715264032620812a5fa3
git.kernel.org/stable/c/50fb4e17df319bb33be6f14e2a856950c1577dee
git.kernel.org/stable/c/944d5fe50f3f03daacfea16300e656a1691c4a23
git.kernel.org/stable/c/b6a2a9cbb67545c825ec95f06adb7ff300a2ad71
git.kernel.org/stable/c/c5b2063c65d05e79fad8029324581d86cfba7eea
git.kernel.org/stable/c/db896bbe4a9c67cee377e5f6a743350d3ae4acf6
lists.debian.org/debian-lts-announce/2024/06/msg00017.html
lists.debian.org/debian-lts-announce/2024/06/msg00020.html