tracing: Ensure visibility when inserting an element into tracing_map
In the Linux kernel, the following vulnerability has been resolved: tracing: Ensure visibility when inserting an element into tracing_map Running the following two commands in parallel on a multi-processor AArch64 machine can sporadically produce an unexpected warning about duplicate histogram entries: $ while true; do echo hist:key=id.syscall:val=hitcount > \ /sys/kernel/debug/tracing/events/raw_syscalls/sys_enter/trigger cat /sys/kernel/debug/tracing/events/raw_syscalls/sys_enter/hist sleep 0.001 done $ stress-ng --sysbadaddr $(nproc) The warning looks as follows: [ 2911.172474] ------------[ cut here ]------------ [ 2911.173111] Duplicates detected: 1 [ 2911.173574] WARNING: CPU: 2 PID: 12247 at kernel/trace/tracing_map.c:983 tracing_map_sort_entries+0x3e0/0x408 [ 2911.174702] Modules linked in: iscsi_ibft(E) iscsi_boot_sysfs(E) rfkill(E) af_packet(E) nls_iso8859_1(E) nls_cp437(E) vfat(E) fat(E) ena(E) tiny_power_button(E) qemu_fw_cfg(E) button(E) fuse(E) efi_pstore(E) ip_tables(E) x_tables(E) xfs(E) libcrc32c(E) aes_ce_blk(E) aes_ce_cipher(E) crct10dif_ce(E) polyval_ce(E) polyval_generic(E) ghash_ce(E) gf128mul(E) sm4_ce_gcm(E) sm4_ce_ccm(E) sm4_ce(E) sm4_ce_cipher(E) sm4(E) sm3_ce(E) sm3(E) sha3_ce(E) sha512_ce(E) sha512_arm64(E) sha2_ce(E) sha256_arm64(E) nvme(E) sha1_ce(E) nvme_core(E) nvme_auth(E) t10_pi(E) sg(E) scsi_mod(E) scsi_common(E) efivarfs(E) [ 2911.174738] Unloaded tainted modules: cppc_cpufreq(E):1 [ 2911.180985] CPU: 2 PID: 12247 Comm: cat Kdump: loaded Ta
CVE-2024-26645
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2024-26645
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "c193707dde77ace92a649cd59a17e105e2fbeaef",
"lessThan": "5022b331c041e8c54b9a6a3251579bd1e8c0fc0b",
"versionType": "git"
},
{
"status": "affected",
"version": "c193707dde77ace92a649cd59a17e105e2fbeaef",
"lessThan": "dad9b28f675ed99b4dec261db2a397efeb80b74c",
"versionType": "git"
},
{
"status": "affected",
"version": "c193707dde77ace92a649cd59a17e105e2fbeaef",
"lessThan": "ef70dfa0b1e5084f32635156c9a5c795352ad860",
"versionType": "git"
},
{
"status": "affected",
"version": "c193707dde77ace92a649cd59a17e105e2fbeaef",
"lessThan": "aef1cb00856ccfd614467cfb50b791278992e177",
"versionType": "git"
},
{
"status": "affected",
"version": "c193707dde77ace92a649cd59a17e105e2fbeaef",
"lessThan": "f4f7e696db0274ff560482cc52eddbf0551d4b7a",
"versionType": "git"
},
{
"status": "affected",
"version": "c193707dde77ace92a649cd59a17e105e2fbeaef",
"lessThan": "a1eebe76e187dbe11ca299f8dbb6e45d5b1889e7",
"versionType": "git"
},
{
"status": "affected",
"version": "c193707dde77ace92a649cd59a17e105e2fbeaef",
"lessThan": "bf4aeff7da85c3becd39fb73bac94122331c30fb",
"versionType": "git"
},
{
"status": "affected",
"version": "c193707dde77ace92a649cd59a17e105e2fbeaef",
"lessThan": "2b44760609e9eaafc9d234a6883d042fc21132a7",
"versionType": "git"
}
],
"programFiles": [
"kernel/trace/tracing_map.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.17"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.17",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.19.307",
"versionType": "semver",
"lessThanOrEqual": "4.19.*"
},
{
"status": "unaffected",
"version": "5.4.269",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.210",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.149",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.76",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.15",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.7.3",
"versionType": "semver",
"lessThanOrEqual": "6.7.*"
},
{
"status": "unaffected",
"version": "6.8",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"kernel/trace/tracing_map.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2024-26645
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #26416 · Revision 1
- Added to Heist Feed
- Publisher date