In the Linux kernel, the following vulnerability has been resolved:
tee: optee: Fix kernel panic caused by incorrect error handling
The error path while failing to register devices on the TEE bus has a
bug leading to kernel panic as follows:
[ 15.398930] Unable to handle kernel paging request at virtual address ffff07ed00626d7c
[ 15.406913] Mem abort info:
[ 15.409722] ESR = 0x0000000096000005
[ 15.413490] EC = 0x25: DABT (current EL), IL = 32 bits
[ 15.418814] SET = 0, FnV = 0
[ 15.421878] EA = 0, S1PTW = 0
[ 15.425031] FSC = 0x05: level 1 translation fault
[ 15.429922] Data abort info:
[ 15.432813] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
[ 15.438310] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 15.443372] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 15.448697] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000d9e3e000
[ 15.455413] [ffff07ed00626d7c] pgd=1800000bffdf9003, p4d=1800000bffdf9003, pud=0000000000000000
[ 15.464146] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Commit 7269cba53d90 (“tee: optee: Fix supplicant based device enumeration”)
lead to the introduction of this bug. So fix it appropriately.
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/tee/optee/device.c"
],
"versions": [
{
"version": "a953e45ebeae",
"lessThan": "bc40ded92af5",
"status": "affected",
"versionType": "git"
},
{
"version": "01c13d8a95e0",
"lessThan": "4b12ff5edd14",
"status": "affected",
"versionType": "git"
},
{
"version": "1c9561b438cb",
"lessThan": "e5b5948c769a",
"status": "affected",
"versionType": "git"
},
{
"version": "d3c4786b01aa",
"lessThan": "520f79c110ff",
"status": "affected",
"versionType": "git"
},
{
"version": "7269cba53d90",
"lessThan": "bfa344afbe47",
"status": "affected",
"versionType": "git"
},
{
"version": "7269cba53d90",
"lessThan": "95915ba4b987",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/tee/optee/device.c"
],
"versions": [
{
"version": "6.7",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.7",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.215",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.154",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.1.84",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6.24",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.7.12",
"lessThanOrEqual": "6.7.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.8",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/4b12ff5edd141926d49c9ace4791adf3a4902fe7
git.kernel.org/stable/c/520f79c110ff712b391b3d87fcacf03c74bc56ee
git.kernel.org/stable/c/95915ba4b987cf2b222b0f251280228a1ff977ac
git.kernel.org/stable/c/bc40ded92af55760d12bec8222d4108de725dbe4
git.kernel.org/stable/c/bfa344afbe472a9be08f78551fa2190c1a07d7d3
git.kernel.org/stable/c/e5b5948c769aa1ebf962dddfb972f87d8f166f95
lists.debian.org/debian-lts-announce/2024/06/msg00017.html